/ Dictionary / Index I impish: Meaning and Definition of Find definitions for: imp•ish Pronunciation: (im'pish), [key] — adj. mischievous. of, pertaining to, or characteristic of an imp. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: impish (Thesaurus) impious implacable 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