ineffective

形容词 adj.
中文释义
美 /ˌɪn.əˈfek.tɪv/

英文释义

形容词 adj.
  1. Not having the desired effect; ineffectual; otiose.
  2. Lacking in ability; incompetent or inadequate.
    — 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.

词形变化

more ineffective comparative most ineffective superlative

词汇关系

衍生词
ineffectively ineffectiveness

词源

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Italic *n̥-
Latin in-bor.
Middle English in-
English in-
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *-s
Proto-Indo-European *h₁éǵʰs
Proto-Italic *eks
Latin ex
Latin ef-
Proto-Indo-European *dʰeh₁k-
Proto-Indo-European *-yéti
Proto-Indo-European *dʰh₁kyéti
Proto-Italic *θakjō
Proto-Italic *fakjō
Latin faciō
Latin efficiō
Proto-Indo-European *-wós
Proto-Indo-European *-iHwósder.
Latin -īvus
Latin effectivusbor.
French effectifder.
English effective
English ineffective
From in- + effective.
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