Inert Definition

ĭn-ûrt
adjective
Incapable of moving or acting.
American Heritage
Having inertia; without power to move, act, or resist.
Webster's New World
Tending to be physically or mentally inactive; dull; slow.
Webster's New World
Sluggish in action or motion; lethargic.
American Heritage
Having or exhibiting little or no activity, esp. chemical activity.
Inert matter in a fertilizer, an inert gas.
Webster's New World
noun
(chemistry) A substance that does not react chemically.
Wiktionary

Other Word Forms of Inert

Noun

Singular:
inert
Plural:
inerts

Origin of Inert

  • Latin iners inert- in- not in–1 ars skill ar- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French inerte, from Latin iners (“inactive, inert”).

    From Wiktionary

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