/ Dictionary / Index U unfledged: Meaning and Definition of Find definitions for: un•fledged Pronunciation: (un-flejd'), [key] — adj. not fledged; without sufficient feathers for flight, as a young bird. immature; callow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unfledged (Thesaurus) unflappable unfleshly Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language