- Definitions|2
- Thesaurus|707
- Abbreviations|0
74 entries under adjective topic. ×
| cunning(sly, sneaky, guile, insidiousness) | |
| deceitful(dishonest, sly, cunning, guile) | |
| wily(sly, crafty, cunning, sneaky) | |
| treacherous(dishonest, sly, tricky, disloyal) | |
| tricky(sly, cunning, guile, insidiousness) | |
| crafty(sly, cunning, sneaky, guile) | |
| sly(cunning, devious, sneaky, guile) | |
| artful(sly, cunning, sneaky, guile) | |
| subtle(cunning, guile, insidiousness, characteristic) | |
| guileful(sneaky, guile, insidiousness, characteristic) | |
| dishonest(characteristic, tricky, sneaky, guile) | |
| underhand(deceitful, characteristic, cunning, guile) | |
| designing(cunning, tricky, guile, insidiousness) | |
| perfidious(characteristic, tricky, sneaky, guile) | |
| slick(guile, insidiousness, characteristic, smooth) | |
| foxy(shrewd, sneaky, tricky, characteristic) | |
| crooked(cunning, tricky, sneaky, guile) | |
| sneaky(characteristic, informal, guile, insidiousness) | |
| stealthy(sneaky, guile, insidiousness, characteristic) | |
| deceptive(dishonest, guile, insidiousness, characteristic) |
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| APA | Smart Define. (2015). insidious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/insidious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insidious thesaurus" https://smartdefine.org/insidious/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, insidious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/insidious/thesaurus/synonyms>. |
| MLA | Smart Define. "insidious thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/insidious/thesaurus/synonyms> |