[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/inertia/)

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# inertia

noun (inertia — uncountable)

«inertia» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. (science) The way an object stays still or keeps moving at the same speed in a straight line until a force changes it. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/inertia/#m1)
2. Lack of energy or wish to move or change: laziness. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/inertia/#m2)

### In the lessons

In science lessons on forces and Newton's first law, and road safety (seatbelts stop your body flying forward). In everyday life, feeling too sluggish to start. Phrases: law of inertia, overcome inertia.

### Examples

- When the bus stops suddenly, inertia keeps you moving forward. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/inertia/#x1)
- Seatbelts protect you against inertia in a crash. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/inertia/#x2)
- A heavy trolley has more inertia than a light one. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/inertia/#x3)
- Pull the tablecloth fast and inertia keeps the plates in place. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/inertia/#x4)
- After the holiday, inertia kept me on the sofa. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/inertia/#x5)
- Newton's first law is called the law of inertia. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/inertia/#x6)

### Note

Uncountable. Say in-ER-sha. Myth: things do not stop because they run out of force; friction and other forces stop them. More mass means more inertia.

## On Mova

- [Trees and pragmatics of «inertia» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/I/inertia/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«inertia» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/inertia.html) on Mova free.