Synonyms for spurious

Adjective

1. specious, spurious, invalid (vs. valid)

usage: plausible but false; "specious reasoning"; "the spurious inferences from obsolescent notions of causality"- Ethel Albert

2. bastard, bastardly, misbegot, misbegotten, spurious, illegitimate (vs. legitimate)

usage: born out of wedlock; "the dominions of both rulers passed away to their spurious or doubtful offspring"- E.A.Freeman

3. inauthentic, unauthentic, spurious, counterfeit (vs. genuine), imitative

usage: intended to deceive; "a spurious work of art"