/ Dictionary / Index S spurious: Meaning and Definition of Find definitions for: spu•ri•ous Pronunciation: (spyoor'ē-us), [key] — adj. not genuine, authentic, or true; not from the claimed, pretended, or proper source; counterfeit. (of two or more parts, plants, etc.) having a similar appearance but a different structure. of illegitimate birth; bastard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spurious (Thesaurus) Spurgeon spurious wing Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language