premature

• 形容某事发生或完成得过早，未到适当或预期的时间；也可指人或事物尚未发育成熟。

Describes something that happens or is done too soon, before the proper or expected time.

1. Born before full termB2formalmedical

   Born after a gestation period of less than the normal time, typically before 37 weeks of pregnancy.

   早产

   • The baby was born premature at 32 weeks.
   • Premature infants often require special medical care.
   • She gave birth to a premature baby who needed oxygen support.

   反义词full-term

2. Too soon or hastyB2formal

   Happening or done too early, before the appropriate or expected time.

   过早的

   • His resignation was premature and surprised everyone.
   • Making a decision now would be premature without all the facts.
   • The announcement of the winner was premature and had to be corrected.

   同义词earlyhastyinopportuneoverhastyprecipitatetoo soonunseasonableuntimely

   反义词belateddelayedoverduetardy

3. Uncommonly earlyB2formal

   Occurring earlier than is usual or expected.

   过早的

   • The plant showed premature growth due to the warm weather.
   • He suffered from premature aging of the skin.
   • The project reached a premature end when funding was cut.

   同义词ahead of timeearlyprecociousuntimely

   反义词delayedoverduetardy