adj mature or ripe before the proper time; as, the premature fruits of a hotbed.
2. premature ·adj arriving or received without due authentication or evidence; as, a premature report.
3. premature ·adj 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.