In a premature manner; too soon or too early.

The quality of being premature.

Prior to maturation

Synonym of prematurity

Occurring before a state of readiness or maturity has arrived. / Taking place earlier than anticipated, prepared for, or desired. / (informal) Suffering from premature ejaculation.

An infant born prematurely.

(uncountable) The condition of (a baby, etc.) being premature. / Something that is premature or occurs prematurely.

plural of prematurity

plural of premature

A medical condition where a man, when initiating sexual intercourse, will experience an orgasm and expel semen after a time period far below the average, generally defined as one minute or less.