Definition of inert adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ɪˈnɜːt//
    ; NAmE NAmE//ɪˈnɜːrt//
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  1. 1(formal) without power to move or act He lay inert with half-closed eyes. The president has to operate within an inert political system.
  2. 2 (chemistry) without active chemical or other properties (= characteristics)
  3. Word Originmid 17th cent.: from Latin iners, inert- ‘unskilled, inactive’, from in- (expressing negation) + ars, art- ‘skill, art’.Extra examples chemically inert radioactive waste I felt sleepy and inert. They dragged the inert body out of the river.
See the Oxford Advanced American Dictionary entry: inert

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