spurious
adjective
1. ostensibly valid, but not actually valid
- a spurious argument
Similar word(s): invalid
2. plausible but false
- spurious inferences
Similar word(s): false, specious
3. born out of wedlock
- the dominions of both rulers passed away to their spurious or doubtful offspring
Similar word(s): illegitimate, bastardly, misbegot, misbegotten
4. false or fake; not what it appears to be
- a spurious work of art
Similar word(s): counterfeit, imitative, inauthentic, unauthentic