unnecessary

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un·nec·es·sar·y / ˌənˈnesəˌserē/ • adj. not needed: a fourth Chicago airport is unnecessary. ∎  more than is needed; excessive: the police used unnecessary force. ∎  (of a remark) not appropriate and likely to be offensive or impertinent.• pl. n. (unnecessaries) unnecessary things.DERIVATIVES: un·nec·es·sar·i·ly / -ˌnesəˈse(ə)rəlē/ adv.un·nec·es·sar·i·ness n.