/ Dictionary / Index I imposure: Meaning and Definition of Find definitions for: im•po•sure Pronunciation: (im-pō'zhur), [key] — n. the act of imposing: the imposure of a decree. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. imposture impotence 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