- Definitions|2
- Thesaurus|707
- Abbreviations|0
74 entries under adjective topic. ×
| canny(mean, smooth, sharp, cunning) | |
| clever(sensitive, intelligent, cunning, deceitful) | |
| perilous(characteristic, tricky, sneaky, guile) | |
| sinister(characteristic, guile, insidiousness) | |
| two-faced(false, dishonest, cunning, deceitful) | |
| secret(sneaky, characteristic, mean, smooth) | |
| sharp(mean, smooth, cunning, deceitful) | |
| unscrupulous(mean, smooth, dishonest, cunning) | |
| deceiving(characteristic, deception, false, deceit) | |
| delusive(characteristic, mean, smooth, deception) | |
| delusory(characteristic, deception, false, deceit) | |
| dishonorable(characteristic, mean, smooth, dishonest) | |
| fallacious(characteristic, false, deceit, delusion) | |
| hypocritical(characteristic, deceit, delusion) | |
| illusive(characteristic, deception, false, deceit) | |
| illusory(characteristic, mean, smooth, deception) | |
| mischievous(mean, smooth, wicked, cunning) | |
| plotting(mean, smooth, cunning, knowing) | |
| serpentine(false, misleading, illusory) | |
| shady(dishonest, cunning, deceitful, dubious) |
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| APA | Smart Define. (2015). insidious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/insidious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insidious thesaurus" https://smartdefine.org/insidious/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, insidious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/insidious/thesaurus/synonyms>. |
| MLA | Smart Define. "insidious thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/insidious/thesaurus/synonyms> |