3
cheating(adjective, false, dishonest, dubious, changeable)
3
chimerical(adjective, false, deceitful, misleading, fabulous)
3
corrupt
3
fallible(adjective, unpredictable, fickle, variable, undependable)
3
falsely
3
feigned(adjective, fake, deception, false, counterfeit)
3
fictional(adjective, wrong, false, deceitful, incorrect)
3
fraudulent(adjective, wrong, fake, deception, false)
3
heretical(adjective, error)
3
heterodox
3
in error(expression, adjective, idiom, bad, correct)
3
intentionally untrue
3
invented(adjective, pretend, imaginary, fabulous, untruth)
3
make-believe(adjective, fake, deception, false, counterfeit)
3
mock(adjective, fake, deception, false, counterfeit)
3
mythic(adjective, mythical)
3
out of true(expression, adjective, idiom)
3
pseudo(adjective, fake, deception, false, counterfeit)
3
substandard
3
subversive(adjective, untrustworthy, treacherous, unfaithful, disloyal)
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APASmart Define. (2016). untrue thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/untrue/thesaurus/synonyms
ChicagoSmart Define. 2016. "untrue thesaurus" https://smartdefine.org/untrue/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, untrue thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/untrue/thesaurus/synonyms>.
MLASmart Define. "untrue thesaurus" 4 March 2016. Web. 25 September 2026. <https://smartdefine.org/untrue/thesaurus/synonyms>