characterized by or characteristic of exceptionally early development or maturity (especially in mental aptitude); "a precocious child"; "a precocious achievement"例外的早期の発達したまたは成熟に特徴づけられたか、に特有の(特に精神的な能力で)早熟
例:a precocious child 早熟な子供
appearing or developing early; "precocious flowers appear before the leaves as in some species of magnolias"早期に現れるか、あるいは発症する早熟