un authentic (adjective) spurious: counterfeit, fake
Sinonime: affected,
apocryphal,
artificial,
assumed,
bastard*,
bent,
bogus,
bum,
contrived,
deceitful,
deceptive,
dummy*,
ersatz, faked,
false, feigned, forged, framed,
illegitimate,
imitation, make-believe,
mock,
phony,
pirate,
pretend, pretended,
pseudo*, put-on,
sham*, simulated,
specious,
substitute, unauthentic, ungenuine,
unrealAntonime: authentic,
genuine,
real,
true