/ Dictionary / Index I ill-natured: Meaning and Definition of Find definitions for: ill-na•tured Pronunciation: (il'nā'churd), [key] — adj. having or showing an unkindly or unpleasant disposition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ill-natured (Thesaurus) ill nature illness Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language