not important unimportant details relatively/comparatively unimportant They dismissed the problem as unimportant. This consideration was not unimportant. I was just a nobody from a small town and I felt very unimportant.
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NAmE//ˌʌnɪmˈpɔrtns//
noun [uncountable]See unimportant in the Oxford Advanced Learner's DictionaryCheck pronunciation: unimportant