/ Dictionary / Index U unwise: Meaning and Definition of Find definitions for: un•wise Pronunciation: (un-wīz'), [key] — -wis•er, -wis•est. not wise; foolish; imprudent; lacking in good sense or judgment: an unwise choice; an unwise man. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unwise (Thesaurus) unwisdom unwish Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language