/ Dictionary / Index C changeful: Meaning and Definition of Find definitions for: change•ful Pronunciation: (chānj'ful), [key] — adj. full of changes; variable; inconstant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: changeful (Thesaurus) changeable change key Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language