/ Dictionary / Index M muscular: Meaning and Definition of Find definitions for: mus•cu•lar Pronunciation: (mus'kyu-lur), [key] — adj. of or pertaining to muscle or the muscles: muscular strain. dependent on or affected by the muscles: muscular strength. having well-developed muscles; brawny. vigorously and forcefully expressed, executed, performed, etc., as if by the use of a great deal of muscular power: a muscular response to terrorism. broad and energetic, esp. with the implication that subtlety and grace are lacking: a muscular style. reflected in physical activity and work: a muscular religion. having or showing power; powerful: a muscular vehicle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: muscular (Thesaurus) Muscovy duck muscular dystrophy Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language