Synonyms|840Antonyms|365|Broader|9Narrower|21Related|797
0
illegitimate
0
illusory
0
imaginary
0
immaterial
0
imperceptible
0
impersonation
0
implausible(adjective, fake, false)
0
implicit in
0
imposture
0
improbable(adjective, fake, false)
0
impure
0
impurity
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inappropriate
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incalculable
0
inconstant
0
incorrect
0
incredible(adjective, fake, false)
0
indecisive
0
indefinable
0
indelicate
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APASmart Define. (2016). authentic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/authentic/thesaurus/antonyms
ChicagoSmart Define. 2016. "authentic thesaurus" https://smartdefine.org/authentic/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, authentic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/authentic/thesaurus/antonyms>.
MLASmart Define. "authentic thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/authentic/thesaurus/antonyms>