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# inert

«inert» in Mova's school dictionary: **Not moving and without strength or life** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

adjective (inert)

### meaning for a pupil

1) Not moving and without strength or life. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/inert/#m1)

2) (science) Not reacting with other chemicals, as in inert gases like helium or neon. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/inert/#m2)

3) Slow and not wanting to act. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/inert/#m3)

### sense in the lessons

In science lessons: inert (noble) gases like helium, neon and argon do not easily react, which is why helium is safe in balloons. In stories: «He lay inert on the floor» shows someone not moving. Phrase: inert gas.

### examples

- Helium is an inert gas. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/inert/#x1)
- Neon is inert, so it is safe in signs. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/inert/#x2)
- The cat lay inert in the sun. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/inert/#x3)
- The robot stood inert until it was switched on. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/inert/#x4)
- Gold is quite inert, so it doesn't rust. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/inert/#x5)
- The crowd stayed inert and silent. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/inert/#x6)

### note

Related: inertia (a body's resistance to changing its motion). «Inert» does not mean dead — only not moving or not reacting.

### Trees and pragmatics

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