Premature

a.	1.	Mature or ripe before the proper time; as, the premature fruits of a hotbed.
	2.	Happening, arriving, existing, or performed before the proper or usual time; adopted too soon; too early; untimely; as, a premature fall of snow; a premature birth; a premature opinion; premature decay.
	3.	Arriving or received without due authentication or evidence; as, a premature report.

Adj.	1.	premature - born after a gestation period of less than the normal time; "a premature infant" Antonyms: full-term - gestated for the entire duration of normal pregnancy; "a healthy full-term baby"
	2.	premature - too soon or too hasty; "our condemnation of him was a bit previous"; "a premature judgment" Synonyms: previous
	3.	premature - uncommonly early or before the expected time; "illness led to his premature death"; "alcohol brought him to an untimely end" Synonyms: untimely

a bit previous, advanced, beforehand, far ahead, forward, green, half-baked, half-cocked, hasty, ill-considered, ill-seasoned, ill-timed, immature, improper, impulsive, inappropriate, inauspicious, inconvenient, inexpedient, infelicitous, inopportune, intempestive, intrusive, irrelevant, late, mal a propos, malapropos, mistimed, not firm, off base, out of line, out of phase, out of time, overhasty, oversoon, precipitate, precocious, previous, rushed, soon, too early, too late, too soon, unbefitting, uncrystallized, underdeveloped, undeveloped, unfavorable, unfit, unfitting, unfledged, unfortunate, unhandy, unhappy, unjelled, unlucky, unmatured, unmeditated, unpremeditated, unprepared, unpropitious, unready, unripe, unseasonable, unsuitable, untoward, wrong