English

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Etymology

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From in- +‎ effective.

Pronunciation

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Adjective

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ineffective (comparative more ineffective, superlative most ineffective)

  1. Not having the desired effect; ineffectual; otiose.
  2. Lacking in ability; incompetent or inadequate.
    • 2016, Justin O. Schmidt, The Sting of the Wild, Johns Hopkins University Press, →ISBN, page 102:
      Fire ants circumvented the problem of an ineffective sting by having an unusual and highly effective venom that when daubed or sprayed on other ants penetrates their waxy protective integumental barrier and kills or disables them.

Derived terms

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Translations

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