--- title: O — The school dictionary with trees and pragmatics · page 3 description: The 416 words of the school dictionary under O, every meaning for a pupil and every example with its dependency tree and pragmatics. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/dictionaries/school/O/page/3/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [dictionaries](https://md.mova.elamur.ai/free/en/corpora/dictionaries/) / [school dictionary](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/) / O # O — The school dictionary · page 3 [1](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/) [2](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/page/2/) **3** [4](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/page/4/) [5](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/page/5/) - [orang](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orang/) — Short for orangutan, the large red-haired ape of Borneo and Sumatra. — 8 sentences - [orange](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orange/) — An orange is a round, juicy fruit with a thick skin; it grows on a tree. — 13 sentences - [orangutan](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orangutan/) — An orangutan is a large, intelligent ape with long reddish-orange hair and very long arms, which lives in the rainforests of Borneo and Su… — 9 sentences - [oration](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oration/) — An oration is a formal speech, often given at a special ceremony such as a funeral. — 4 sentences - [orator](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orator/) — An orator is a person who is skilled at making speeches in public. — 4 sentences - [oratory](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oratory/) — The skill of giving powerful, good speeches in public. — 10 sentences - [orb](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orb/) — An orb is a ball or round object, especially one that glows. — 11 sentences - [orbit](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orbit/) — An orbit is the curved path of a planet, moon or satellite going around a star or planet. — 9 sentences - [orbital](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orbital/) — Orbital means to do with an orbit, the path of something going round a planet, star or moon. — 10 sentences - [orca](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orca/) — An orca, also called a killer whale, is a large black-and-white sea mammal with a tall back fin; it is actually the biggest member of the… — 9 sentences - [orchard](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orchard/) — An orchard is a piece of land with many fruit trees, like apple, pear, cherry or orange trees, often planted in rows. — 10 sentences - [orchestra](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orchestra/) — An orchestra is a large group of musicians who play many instruments together, such as violins, flutes, trumpets and drums. — 9 sentences - [orchestral](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orchestral/) — To do with an orchestra or written for an orchestra, a large group of musicians playing strings, woodwind, brass and percussion together. — 7 sentences - [orchid](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orchid/) — An orchid is a beautiful flower with petals of unusual shapes; there are many thousands of kinds. — 12 sentences - [ordain](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ordain/) — To ordain someone is to make them a priest, minister or rabbi in a special religious ceremony. — 10 sentences - [ordained](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ordained/) — Ordained means made a priest, minister or religious leader in a special ceremony. — 12 sentences - [ordeal](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ordeal/) — A very hard, painful or frightening experience that goes on for some time. — 10 sentences - [order](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/order/) — Order is the way things follow one after another: in alphabetical order, in order of size. — 15 sentences - [orderly](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orderly/) — Orderly means tidy and well arranged: an orderly desk. — 9 sentences - [ordinal](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ordinal/) — An ordinal number shows the place or position of something in order: first, second, third, fourth and so on. — 7 sentences - [ordinarily](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ordinarily/) — Usually; in the normal way. — 9 sentences - [ordinary](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ordinary/) — Ordinary means normal, usual or plain; not special or different. — 10 sentences - [ordinate](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ordinate/) — The y-coordinate of a point on a graph: how far up or down the point is from the x-axis. — 7 sentences - [ordination](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ordination/) — Ordination is the ceremony in which a person is made a priest, minister, deacon or rabbi, usually by a bishop or other leader. — 8 sentences - [ordnance](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ordnance/) — Military weapons, especially large guns, bombs, shells and ammunition. — 8 sentences - [ore](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ore/) — Ore is rock or earth that has a useful metal in it, like iron or copper, which people dig up and take the metal out of. — 7 sentences - [organ](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/organ/) — A part of the body that has a special job, like the heart, lungs, brain, stomach or skin. — 12 sentences - [organic](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/organic/) — Organic food is grown or raised without man-made chemicals such as artificial pesticides and fertilisers. — 12 sentences - [organisation](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/organisation/) — An organisation is a group of people who work together for a purpose, such as a charity, club, company or school. — 9 sentences - [organise](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/organise/) — To organise something is to plan and arrange it: organise a party, a trip or a game. — 10 sentences - [organised](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/organised/) — Organised means tidy and well planned, so things are where they should be and done on time. — 10 sentences - [organiser](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/organiser/) — A person who plans and arranges an event or activity, like a party, a trip or a sports day. — 8 sentences - [organism](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/organism/) — Any living thing, such as an animal, plant, fungus or bacterium. — 8 sentences - [organization](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/organization/) — A group of people who work together for a purpose, such as a charity, a club, a company or a school. — 9 sentences - [organized](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/organized/) — Organized means put in a neat order, or sorted into groups. She organized her books by size. — 12 sentences - [orient](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orient/) — To find out or work out where you are or which way you are facing, as in "orient yourself with a map". — 11 sentences - [oriental](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oriental/) — From or to do with the countries of East Asia, like China, Japan and Korea. — 10 sentences - [orientation](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orientation/) — The direction something faces or points: north, south, up, sideways. — 10 sentences - [oriented](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oriented/) — Oriented means pointed or turned in a certain direction. — 11 sentences - [origami](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/origami/) — The Japanese art of folding paper into shapes like birds, animals and boxes, usually without cutting or glue. — 7 sentences - [origin](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/origin/) — The origin of something is where or how it began. — 10 sentences - [original](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/original/) — First; existing at the beginning, before changes: «the original plan». — 11 sentences - [originality](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/originality/) — Originality is being new and different, not copied from others. — 4 sentences - [originally](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/originally/) — At first; in the beginning, before something changed. — 9 sentences - [originate](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/originate/) — To begin or come from a place, time or source (the game originated in Scotland). — 9 sentences - [originator](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/originator/) — The originator of something is the person who first thought of it, made it or started it. — 7 sentences - [ornament](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ornament/) — An ornament is a small object used to make a room, a shelf or a Christmas tree look nice, rather than for a practical use. — 11 sentences - [ornamental](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ornamental/) — Ornamental means used to decorate and make something look nice, rather than for a practical use. — 8 sentences - [orphan](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orphan/) — An orphan is a child whose parents have both died. — 10 sentences - [orphanage](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orphanage/) — An orphanage is a home where children who have no parents live and are cared for. — 4 sentences - [orthodontist](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orthodontist/) — A dentist who specialises in straightening teeth and fixing the way teeth and jaws fit together, often by fitting braces. — 7 sentences - [orthodox](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orthodox/) — Orthodox means following the usual, accepted ideas or ways of doing something. — 10 sentences - [orthography](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orthography/) — Orthography is the system of spelling and writing a language: which letters stand for which sounds, and rules for capital letters, hyphens… — 8 sentences - [orthoptist](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/orthoptist/) — A health professional who checks and treats problems with how the eyes move and work together, such as a squint or a lazy eye. — 7 sentences - [oryx](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oryx/) — An oryx is a large antelope of the deserts and dry grasslands of Africa and Arabia, with very long, straight, pointed horns and a pale coa… — 7 sentences - [os](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/os/) — OS is short for "operating system", the main program that runs a computer or phone, like Windows, macOS, Android or iOS. — 10 sentences - [oscar](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oscar/) — An Oscar is a gold statue given each year as a top prize for films, also called an Academy Award. — 9 sentences - [oscillate](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oscillate/) — To swing or move back and forth regularly, like a pendulum. — 9 sentences - [oscillating](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oscillating/) — Swinging or moving back and forth regularly. — 9 sentences - [oscillation](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oscillation/) — A regular movement back and forth, like a pendulum swing. — 9 sentences - [osier](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/osier/) — A kind of willow tree or bush that grows by rivers and wet ground, with long thin bendy shoots. — 9 sentences - [osprey](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/osprey/) — An osprey is a large bird of prey with brown wings and a white underside that dives feet-first into water to catch fish. — 7 sentences - [ossified](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ossified/) — Ossified means turned into bone: soft cartilage that has hardened into bone, as happens in a growing child's skeleton. — 8 sentences - [ostentation](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ostentation/) — Ostentation is showing off to be noticed, with too much display of wealth or fine things. — 4 sentences - [ostler](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ostler/) — An ostler is a man who looked after horses at an inn in the old days. — 4 sentences - [ostracise](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ostracise/) — To leave someone out of a group on purpose and refuse to talk to them or include them. — 7 sentences - [ostracism](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ostracism/) — Leaving someone out on purpose, so they are not included by a group. — 8 sentences - [ostrich](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ostrich/) — An ostrich is a very large bird from Africa that cannot fly but runs very fast on its long, strong legs. — 11 sentences - [other](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/other/) — Other means a different one, not this one. — 23 sentences - [otherwise](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/otherwise/) — Otherwise means «if not» or «or else»: what will happen if something is not done. — 12 sentences - [otoscope](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/otoscope/) — An otoscope is a small medical tool with a light and a magnifying lens that a doctor uses to look inside your ear. — 7 sentences - [ottawa](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ottawa/) — Ottawa: the capital city of Canada, in the province of Ontario, on the Ottawa River. — 9 sentences - [otter](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/otter/) — An otter is a playful animal with smooth brown fur, short legs, webbed feet and a long tail that lives near rivers or the sea and swims ve… — 8 sentences - [ottoman](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ottoman/) — The Ottoman Empire was a large, long-lasting empire ruled by Turkish sultans from Istanbul, covering Turkey and lands in south-east Europe… — 10 sentences - [ounce](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ounce/) — An ounce is a small unit of weight; there are 16 ounces in a pound, and an ounce is about 28 grams. — 5 sentences - [ousel](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/ousel/) — An ousel is an old word for a dark bird of the thrush family, such as a blackbird. — 4 sentences - [oust](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oust/) — To oust someone is to force them out of a place, job or position so that they lose it. — 4 sentences - [out](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/out/) — Out means away from the inside of something. — 24 sentences - [outback](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outback/) — The outback is the huge, dry, mostly empty land far inland in Australia, far away from the cities and the coast. — 8 sentences - [outbreak](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outbreak/) — An outbreak is the sudden start of something bad, such as a disease, a war or violence. — 10 sentences - [outburst](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outburst/) — An outburst is a sudden strong show of feeling, such as anger or laughter, that bursts out. — 4 sentences - [outcast](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outcast/) — An outcast is a person who is not accepted by other people and is pushed out of a group or society. — 8 sentences - [outcome](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outcome/) — An outcome is the result of something, what happens in the end. — 11 sentences - [outcrop](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outcrop/) — A part of rock that sticks out of the ground or a hillside. — 8 sentences - [outcry](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outcry/) — An outcry is a loud shout of protest, anger or alarm, often from many people together. — 4 sentences - [outdated](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outdated/) — Old-fashioned; no longer used or useful because something newer exists. — 8 sentences - [outdo](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outdo/) — To outdo someone is to do better than them, to beat them at something. — 4 sentences - [outdoor](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outdoor/) — Outdoor describes things that happen, are used or are found outside, not inside a building, like outdoor games or an outdoor pool. — 9 sentences - [outdoors](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outdoors/) — Outdoors means outside, not in a building. — 10 sentences - [outer](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outer/) — Outer means on the outside, the part farthest from the middle. — 12 sentences - [outfit](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outfit/) — An outfit is a set of clothes worn together. — 11 sentences - [outflow](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outflow/) — Water, air or another substance flowing out of a place. — 9 sentences - [outhouse](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outhouse/) — An outhouse is a small building outside a main house, such as a shed or a store. — 4 sentences - [outing](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outing/) — A short trip out for fun, often with a group, such as a class going to a zoo or museum. — 12 sentences - [outlandish](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outlandish/) — Outlandish means strange and odd, unlike what is usual, often from a far-off foreign land. — 4 sentences - [outlast](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outlast/) — To last longer than something else: to keep going or keep working after the other has stopped. — 9 sentences - [outlaw](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outlaw/) — A person who has broken the law and is running away from it, especially in old stories. — 9 sentences - [outlet](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outlet/) — An outlet is a way for something, such as water or gas, to get out. — 10 sentences - [outline](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outline/) — An outline is a line that shows the shape or edge of something. — 11 sentences - [outlive](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/outlive/) — To live longer than someone else. — 8 sentences [1](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/) [2](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/page/2/) **3** [4](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/page/4/) [5](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/page/5/)