- Definitions|1
- Thesaurus|198
- Abbreviations|0
25 entries under adverb topic. ×
| furtively(quietly, secretly, personally, privately) | |
| craftily | |
| deceitfully | |
| deceptively | |
| perniciously | |
| artfully | |
| cunningly | |
| falsely | |
| shiftily | |
| treacherously | |
| trickily | |
| astutely | |
| covertly | |
| deviously | |
| disingenuously | |
| elusively | |
| harmfully | |
| secretly | |
| stealthily(quietly, secretly, personally, privately) | |
| subtly |
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| APA | Smart Define. (2015). insidiously thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/insidiously/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insidiously thesaurus" https://smartdefine.org/insidiously/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, insidiously thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/insidiously/thesaurus/synonyms>. |
| MLA | Smart Define. "insidiously thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/insidiously/thesaurus/synonyms> |