unnecessary

形容词 adj.
中文释义
英 /ʌnˈnɛs.ə.s(ə)ɹɪ/|/ʌnˈnɛs.əˌsɛɹ.ɪ/|/ʌnˈnɛs.ə.ɹɪ/    美 /ʌnˈnɛs.əˌsɛɹ.i/|/ʌnˈnɛs.ə.ɹɪ/|/anˈnes.əˌseɹ.i/

英文释义

形容词 adj.
  1. Not needed or necessary.
    — The automatic child-frightener made clowns unnecessary.
  2. Done in addition to requirements; unrequired.

词形变化

more unnecessary comparative most unnecessary superlative

词汇关系

反义词
necessary needed required mandatory
衍生词
unnecessaries unnecessarily unnecessariness

词源

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Germanic *un-
Proto-West Germanic *un-
Old English un-
Middle English un-
English un-
English necessary
English unnecessary
From un- + necessary.
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