Meaning & use

inert

adjective·Academic

Last updated

Lacking the ability or tendency to move or react; chemically inactive.

See it in a sentence

Noble gases like helium are mostly inert and rarely react with other elements.

The old machine sat inert in the corner of the workshop, unused for years.

A note on using this word

Used in chemistry for elements that don't easily react, and more generally for anything motionless.

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