/ Dictionary / Index G gainful: Meaning and Definition of Find definitions for: gain•ful Pronunciation: (gān'ful), [key] — adj. profitable; lucrative: gainful employment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gainful (Thesaurus) Gainesville gaingiving Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language