- 1behaving in a way that is not sensible and is typical of people who are much younger immature behavior
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- 2not fully developed or grown immature plants opposite mature
NAmE//ˌɪməˈtʃʊrət̮i//, NAmE//ˌɪməˈtʊrət̮i//
noun [uncountable]See immature in the Oxford Advanced Learner's DictionaryCheck pronunciation: immature