1. (a.) Happening too soon; mature or ripe before the proper time; as, the premature fruits of a hotbed\.

2. (a.) 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. (a.) Arriving or received without due authentication or evidence; as, a premature report.

a bit previous advanced beforehand early 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 untimely untoward wrong