inert.
Unable to move or act; inanimate.
Meaning & usage
Unable to move or act; inanimate.
Sluggish or lethargic.
Not readily reacting with other elements or compounds.
Having no therapeutic action.
Where this word comes from
From French inerte, from Latin iners (“inactive, inert”).
A substance that does not react chemically.
Where this word comes from
From French inerte, from Latin iners (“inactive, inert”).
To fill with an inert gas to reduce the risk of explosion.
Where this word comes from
From French inerte, from Latin iners (“inactive, inert”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.