4
illegitimate(adjective, fake, false, bogus)
4
pretended(adjective, fake, false, deceitful, bogus)
4
pseudo(adjective, fake, false, deceitful, bogus)
4
specious(adjective, fake, false, deceitful, bogus)
4
synthetic
3
ersatz(adjective, fake, false, deceitful, bogus)
3
queer
3
unauthenticated
3
unauthoritative
3
unconfirmed
3
ungenuine(adjective, fake, false, mock, affected)
3
unnatural
3
unrealistic
2
assumed(fake, false, deceitful, bogus, specious)
2
bastardly
2
deceitful(adjective, fake, false, bogus, specious)
2
deceptive(adjective, fake, false, deceitful, rotten)
2
dummy(fake, false, deceitful, bogus, specious)
2
faked(fake, false, mock, affected, deceitful)
2
falsified
11 years ago|7.5k views|share |citing 
APASmart Define. (2015). unauthentic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unauthentic/thesaurus/synonyms
ChicagoSmart Define. 2015. "unauthentic thesaurus" https://smartdefine.org/unauthentic/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unauthentic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unauthentic/thesaurus/synonyms>.
MLASmart Define. "unauthentic thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unauthentic/thesaurus/synonyms>