0
ambidextrous(false, dishonest, deceitful, slick, hypocritical)
0
amiss
0
amoral(fickle, untrustworthy, unprincipled, dirty-dealing)
0
assumed(adjective, fake, counterfeit, sham, phony)
0
backbiting(adjective, false, deceitful, lying, fraudulent)
0
backhanded(false, dishonest, deceitful, slick, hypocritical)
0
base(adjective, corrupt, dishonest, crooked, unfair)
0
bathos
0
behind ones back(verb, phrasal verb)
0
below the belt(expression, adjective, idiom, corrupt, dishonest)
0
bigamous(fickle, untrustworthy, unprincipled)
0
bribable
0
brummagem(adjective, fake, counterfeit, sham, phony)
0
bum(adjective, fake, counterfeit, sham, phony)
0
capricious(adjective, false, dishonest, dubious, untrustworthy)
0
changeable(adjective, false, dishonest, dubious, untrustworthy)
0
coarse(adjective, corrupt, dishonest, crooked, unfair)
0
colored(adjective, fake, counterfeit, sham, phony)
0
conjured
0
contemptible(adjective, corrupt, dishonest, crooked, unfair)
11 years ago|14k views|share |citing 
APASmart Define. (2015). untruthful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/untruthful/thesaurus/synonyms
ChicagoSmart Define. 2015. "untruthful thesaurus" https://smartdefine.org/untruthful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, untruthful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/untruthful/thesaurus/synonyms>.
MLASmart Define. "untruthful thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/untruthful/thesaurus/synonyms>