/ Dictionary / Index K knavish: Meaning and Definition of Find definitions for: knav•ish Pronunciation: (nā'vish), [key] — adj. like or befitting a knave; untrustworthy; dishonest. waggish; roguish; mischievous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: knavish (Thesaurus) knavery knawel Related Content Daily Word Quiz: respite Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language