/ Dictionary / Index I imprecise: Meaning and Definition of Find definitions for: im•pre•cise Pronunciation: (im"pru-sīs'), [key] — adj. not precise; not exact; vague or ill-defined. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: imprecise (Thesaurus) imprecation impregnable Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language