/ Dictionary / Index U unhealthful: Meaning and Definition of Find definitions for: un•health•ful Pronunciation: (un-helth'ful), [key] — adj. not conducive to good health; unwholesome: unhealthful food. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unhealthful (Thesaurus) UNHCR unhealthy Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language