Breadcrumb Home > Dictionary > Index W winsome: Meaning and Definition of Find definitions for: win•some Pronunciation: (win'sum), [key] — adj. sweetly or innocently charming; winning; engaging: a winsome smile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: winsome (Thesaurus) Winslow Winsor ✖ Related Content Daily Word Quiz: guilloche Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language