Synonyms|105Antonyms|1|Broader|0Narrower|0Related|7
1
fly-by-night(adjective, unreliable, insecure, treacherous, incalculable)
1
fly by night(adjective, unreliable, insecure, treacherous, incalculable)
1
hollow(adjective, true)
1
hopeless(adjective, unreliable, insecure, treacherous, incalculable)
1
iffy(adjective, unreliable, insecure, treacherous, incalculable)
1
imprecise(adjective, true, untrue, pharisaic, sophistical)
1
inaccurate(adjective, true)
1
incalculable(adjective, unreliable, insecure, treacherous)
1
incorrect(adjective, true)
1
insecure(adjective, unreliable, treacherous, incalculable)
1
irresponsible(adjective, unreliable, insecure, treacherous, incalculable)
1
meretricious(adjective, true)
1
misleading(adjective, true)
1
mistaken(adjective, true)
1
nondurable(adjective, unreliable, insecure, treacherous, incalculable)
1
not true
1
off(adjective, informal, true)
1
out of line(expression, adjective, idiom, true, untrue)
1
perfidious(adjective, true)
1
phony(adjective, false)
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ChicagoSmart Define. 2015. "truthless thesaurus" https://smartdefine.org/truthless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, truthless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/truthless/thesaurus/synonyms>.
MLASmart Define. "truthless thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/truthless/thesaurus/synonyms>