Online Google Dictionary

unnecessary 中文解釋 wordnet sense Collocation Usage
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Not needed,
  1. Not needed
    • - a fourth Chicago airport is unnecessary
  2. More than is needed; excessive
    • - the police used unnecessary force
  3. (of a remark) Not appropriate and likely to be offensive or impertinent

Noun (plural)
  1. Unnecessary things

  1. not necessary
  2. Not needed or necessary; Done in addition to requirements; unrequired
  3. (adj.): Not essential under the circumstances.