- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
| contrived(adjective, fake, counterfeit, sham, phony) | |
| copied(adjective, fake, counterfeit, sham, phony) | |
| criminal | |
| crock(adjective, fake, counterfeit, sham, phony) | |
| despicable(adjective, corrupt, dishonest, crooked, unfair) | |
| dirty-dealing(fickle, untrustworthy, unprincipled) | |
| dirty dealing(expression, fickle, untrustworthy, unprincipled, dirty-dealing) | |
| disguised(adjective, fake, counterfeit, sham, phony) | |
| dishonorable | |
| dishonourable | |
| double(false, dishonest, deceitful, slick, hypocritical) | |
| doubting(adjective, false, dishonest, dubious, untrustworthy) | |
| evil | |
| extracurricular(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| fable | |
| factitious(adjective, fake, counterfeit, sham, phony) | |
| fair-weather(fickle, untrustworthy, unprincipled) | |
| falsehood | |
| falsifying(adjective, wrong, false, dishonest, deceitful) | |
| falsities |
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| APA | Smart Define. (2015). untruthful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/untruthful/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "untruthful thesaurus" https://smartdefine.org/untruthful/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, untruthful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/untruthful/thesaurus/synonyms>. |
| MLA | Smart Define. "untruthful thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/untruthful/thesaurus/synonyms> |