happening before the normal or expected time 未成熟的；过早的；提前的 his premature death at the age of 37 他 37 岁时早逝 Because of injury, her playing career came to a premature end in 2008. 因为受伤，她的演奏生涯在2008年过早结束。 The incident brought the game to a premature conclusion. 那个事故使比赛草草收场。
(of a birth or a baby 生产或婴儿 happening or being born before the normal length of pregnancy has been completed 早产的 Extra ExamplesTopics Life stagesc1She was born slightly premature. 她出生稍早。 a very premature baby 非常早产的婴儿
happening or made too soon 草率的；仓促的 a premature conclusion/decision/judgement 草率的结论／决定／判断 It is premature to talk about success at this stage. 现阶段就谈成功尚为时过早。
Extra ExamplesThe decision proved premature. 这个决定被证明是不成熟的。 We should investigate further, rather than make a premature judgement. 我们应该进一步调查，而不是过早做出判断。
Word Originlate Middle English (in the sense ‘ripe, mature’): from Latin praematurus ‘very early’, from prae ‘before’ + maturus ‘ripe’.