/ Dictionary / Index S supposed: Meaning and Definition of Find definitions for: sup•posed Pronunciation: (su-pōzd', -pō'zid), [key] — adj. assumed as true, regardless of fact; hypothetical: a supposed case. accepted or believed as true, without positive knowledge: the supposed site of an ancient temple. merely thought to be such; imagined: supposed gains. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: supposed (Thesaurus) suppose supposing Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language