/ Dictionary / Index W wingless: Meaning and Definition of Find definitions for: wing•less Pronunciation: (wing'lis), [key] — adj. having no wings. having only rudimentary wings, as an apteryx. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wingless (Thesaurus) wing formula winglet Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language