/ Dictionary / Index I imprison: Meaning and Definition of Find definitions for: im•pris•on Pronunciation: (im-priz'un), [key] — v.t. to confine in or as if in a prison. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: imprison (Thesaurus) imprinting improbability Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language