3
illegitimate(adjective, wrong, improper, incorrect)
3
incorrect(adjective, sound, right, wrong, improper)
3
insincere(adjective, wrong, improper, incorrect)
3
invalid(adjective, sound, reasonable, uncertain, dishonest)
3
legendary(adjective, unimportant)
3
lying(adjective, wrong, improper, incorrect)
3
make-believe(adjective, real, unreal, imagined)
3
misaligned
3
mock
3
mythical
3
phony
3
spurious(adjective, fake, counterfeit)
3
unfaithful(adjective, uncertain, dishonest, apathetic)
3
untrue(adjective, dishonest)
3
wrong(adjective, good, sound, improper, incorrect)
2
treacherous(adjective, strong, uncertain, dishonest, apathetic)
2
unreal(adjective, uncertain, dishonest, apathetic, unfaithful)
2
untruthful(adjective, wrong, improper, incorrect)
2
corrupt(adjective, uncertain, dishonest, apathetic, unfaithful)
2
inaccurate(adjective, wrong, precise, improper, incorrect)
10 years ago|5.6k views|share |citing 
APASmart Define. (2016). true thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/true/thesaurus/antonyms
ChicagoSmart Define. 2016. "true thesaurus" https://smartdefine.org/true/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, true thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/true/thesaurus/antonyms>.
MLASmart Define. "true thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/true/thesaurus/antonyms>