im·ma·ture /ˌɪməˈtʃʊə $ -ˈtʃʊr/ ●○○ AWL adjectiveadj 1 STUPID/NOT SENSIBLEsomeone who is immature behaves or thinks in a way that is typical of someone much younger – used to show disapproval 〔行为、思想〕不成熟的,幼稚的〔含贬义〕 SYN childish OPP mature He forgave his son’s immature behaviour. 他原谅了儿子的幼稚行为。
2 READYnot fully formed or developed 发育未全的 measures to protect immature whales 保护幼鲸的措施
—immaturity noun [uncountableU]