/ Dictionary / Index F featherweight: Meaning and Definition of Find definitions for: feath•er•weight Pronunciation: (fe'ur-wāt"), [key] — n. a boxer or other contestant intermediate in weight between a bantamweight and a lightweight, esp. a professional boxer weighing up to 126 lb. (57 kg). an insignificant person or thing: He thinks he's a major composer, but he's just a featherweight. —adj. belonging to the class of featherweights, esp. in boxing. extremely light in weight: a featherweight quilt. unimportant; trifling; slight. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: featherweight (Thesaurus) feather-veined feather worm Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language