/ Dictionary / Index S specious: Meaning and Definition of Find definitions for: spe•cious Pronunciation: (spē'shus), [key] — adj. apparently good or right though lacking real merit; superficially pleasing or plausible: specious arguments. pleasing to the eye but deceptive. pleasing to the eye; fair. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: specious (Thesaurus) speciosity specious present 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