Online Google Dictionary

unnecessary 中文解釋 wordnet sense Collocation Usage Collins Definition
Adjective
/ˌənˈnesəˌserē/,
Font size:

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.