precocious

precocious

adjective

Definition of PRECOCIOUS

occurring before the usual or expected time <a precocious baldness makes him look older than he really is>

Synonyms inopportune, precocious, premature, unseasonable, untimely

Related Words unanticipated, unexpected, unforeseen, unlooked-for; abrupt, sudden

Near Antonyms behindhand, belated, delinquent, latish, overdue, slow, tardy; anticipated, expected; delayed, detained, postponed

Antonyms late