- Definitions|1
- Thesaurus|219
- Abbreviations|0
| false | |
| insidiously | |
| insubordinately(adverb, disobediently) | |
| recreantly | |
| underhandedly(adverb, dishonestly, deceitfully, fraudulently, untruthfully) | |
| unreliably | |
| unsafely(adverb, dangerously) | |
| adulterously | |
| basely(adverb, deceitfully, fraudulently, untruthfully) | |
| chancily | |
| craftily(adverb, dishonestly) | |
| cunningly | |
| deceptively | |
| dishonourably(adverb, deceitfully, fraudulently, untruthfully) | |
| disobediently(adverb, disobediently) | |
| factiously(adverb, disobediently) | |
| falseheartedly(adverb, deceitfully, fraudulently, untruthfully) | |
| felinely | |
| feloniously(adverb, dishonestly) | |
| guilefully |
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| APA | Smart Define. (2015). treacherously thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/treacherously/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "treacherously thesaurus" https://smartdefine.org/treacherously/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, treacherously thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/treacherously/thesaurus/synonyms>. |
| MLA | Smart Define. "treacherously thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/treacherously/thesaurus/synonyms> |