/ Dictionary / Index U unwincing: Meaning and Definition of Find definitions for: un•winc•ing Pronunciation: (un-win'sing), [key] — adj. that does not wince; unflinching; fearless. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unwilling unwind Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language