/ Dictionary / Index P premature: Meaning and Definition of Find definitions for: pre•ma•ture Pronunciation: (prē"mu-choor', -toor', -tyoor', prē'mu-choor" or, esp. Brit., prem"u-, prem'u-), [key] — adj. occurring, coming, or done too soon: a premature announcement. mature or ripe before the proper time. —n. a premature infant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: premature (Thesaurus) premarital premature beat Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language