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