/ Dictionary / Index C composed: Meaning and Definition of Find definitions for: com•posed Pronunciation: (kum-pōzd'), [key] — adj. calm; tranquil; serene: His composed face reassured the nervous passengers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: composed (Thesaurus) compose composer Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language