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# boom

«boom» in Mova's school dictionary: **A deep, loud sound like thunder or a big drum: the boom…** — its meaning for a pupil, its sense in the lessons and examples, with 3 sentences of Mova's corpora that use it.

### part of speech

noun (a boom, booms); verb (boom, booms, boomed, booming); interjection (boom!)

### meaning for a pupil

1) A deep, loud sound like thunder or a big drum: the boom of the cannon. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#m1)

2) (verb) To make a deep loud sound or to speak very loudly: his voice boomed. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#m2)

3) A sudden fast growth or increase: a baby boom, a business boom. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#m3)

4) (verb) To grow or do very well: business is booming. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#m4)

5) A long pole on a sailing boat that holds the bottom of a sail. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#m5)

6) A long pole holding a microphone or camera. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#m6)

7) (slang interjection) "Boom!" means "There, done!" or celebrates success. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#m7)

### sense in the lessons

In stories it is a sound word; in science it relates to the sonic boom of very fast planes. In history and geography a "boom" is a time of fast growth (a gold rush boom, a population boom). In maths graphs a boom shows as a steep rise. Phrases: a sonic boom, baby boom, boom town, boom and bust.

### examples

- The thunder went boom over the hills. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#x1)
- The headteacher's voice boomed across the hall. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#x2)
- Sales of umbrellas boomed in the wet summer. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#x3)
- A sonic boom is made when a plane flies faster than sound. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#x4)
- Duck when the sailors swing the boom! [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#x5)
- (slang) I finished my homework — boom! [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#x6)
- The gold rush caused a boom in the town's population. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#x7)
- Then he heard a thump and a shuffle, and the booming went on. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/#x8)

### note

Regular verb: boomed, booming. "Booming" can mean very loud or very successful. The opposite of a boom in money is a slump or bust. In maths a boom means numbers rising quickly.

### In the corpora

- [An old Scandinavian folk story said lemmings fell from the sky in storms, because they appeared so suddenly in boom years.](https://md.mova.elamur.ai/free/en/corpora/school/biology/150-myth-check-do-lemmings-jump-off-cliffs/13/)
- [Ethan's mate says one caveman rubbed two sticks and boom, fire; Ethan says «sus», meaning suspicious.](https://md.mova.elamur.ai/free/en/corpora/school/history/61-how-we-got-here-the-big-steps-on-one-long-timeline/9/)
- [Fast wobbles sound high and slow wobbles sound low, so a tiny ukulele squeaks and a huge double bass booms.](https://md.mova.elamur.ai/free/en/corpora/school/physics/17-what-sound-is-wobbles-in-the-air/3/)

### Trees and pragmatics

[Every meaning and example of «boom» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boom/), each sentence with its dependency tree and frames.