11
mendacity(noun, line, practice, deception, true)
8
falsehood(noun, line, practice, deception, true)
7
dishonesty(noun, deception, lie, sham, story)
6
deceit(noun, deception, lie, sham, dishonesty)
6
falseness(noun, deception, lie, sham, dishonesty)
6
falsity(noun, line, deception, lie, sham)
6
fib(noun, deception, lie, sham, story)
6
perjury(noun, practice, deception, question, true)
5
insincerity(noun, deception, dishonesty, lies)
5
lying(noun, deception, dishonesty, deceit, deceitfulness)
5
untruth(noun, line, deception, lie, sham)
4
deceitfulness(noun, deception, deceit, lying, fraudulence)
4
fallacy(deception, lie, sham, story, untruth)
4
mendaciousness(noun, dishonesty)
3
delusion
3
duplicity(noun, dishonesty, deceit, lying, deceitfulness)
3
equivocation(noun, line, deception, lie, sham)
3
evasiveness(noun, line, lie, story, falsity)
3
prevarication(noun, line, deception, lie, sham)
3
treacherousness(noun, wrongness, erroneousness, mistakenness)
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APASmart Define. (2015). untruthfulness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/untruthfulness/thesaurus/synonyms
ChicagoSmart Define. 2015. "untruthfulness thesaurus" https://smartdefine.org/untruthfulness/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, untruthfulness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/untruthfulness/thesaurus/synonyms>.
MLASmart Define. "untruthfulness thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/untruthfulness/thesaurus/synonyms>