/ Dictionary / Index T toilful: Meaning and Definition of Find definitions for: toil•ful Pronunciation: (toil'ful), [key] — adj. characterized by or involving toil; laborious; toilsome. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. toilet water toilsome Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language