11
spurious(adjective, fake, false, counterfeit, mock)
10
inauthentic(adjective, fake, false, bogus)
7
bogus(adjective, fake, false, deceitful, specious)
7
counterfeit(adjective, fake, false, mock, affected)
7
fake(adjective, false, bogus)
7
sham(noun, adjective, fake, false, bogus)
6
apocryphal(adjective, fake, false, deceitful, bogus)
6
false(adjective, fake, rotten, bogus, spurious)
6
imitation(noun, adjective, fake, false, deceitful)
5
artificial(adjective, fake, false, mock, affected)
5
bastard(noun, fake, false, deceitful, bogus)
5
feigned(adjective, fake, false, mock, affected)
5
mock(adjective, fake, false, affected, deceitful)
5
phony(adjective, fake, false, bogus)
5
simulated(adjective, fake, false, deceitful, bogus)
5
unreal(adjective, fake, false, deceitful, bogus)
4
affected(fake, false, mock, deceitful, bogus)
4
factitious
4
fictitious(adjective, mock, affected, impromptu)
4
forged(adjective, fake, false, deceitful, bogus)
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APASmart Define. (2015). unauthentic thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unauthentic/thesaurus/synonyms
ChicagoSmart Define. 2015. "unauthentic thesaurus" https://smartdefine.org/unauthentic/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unauthentic thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unauthentic/thesaurus/synonyms>.
MLASmart Define. "unauthentic thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unauthentic/thesaurus/synonyms>