Synonyms for specious

Adjective

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

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

2. specious, false (vs. true)

usage: plausible but false; "a specious claim"

3. gilded, meretricious, specious, insincere (vs. sincere)

usage: based on pretense; deceptively pleasing; "the gilded and perfumed but inwardly rotten nobility"; "meretricious praise"; "a meretricious argument"