- Definitions|1
- Thesaurus|227
- Abbreviations|0
| secretly(adverb, close, hideaway, arcane, stealth) | |
| furtively(noun, adverb, close, hideaway, arcane) | |
| privately(adverb, close, hideaway, arcane, stealth) | |
| stealthily(noun, adverb, close, hideaway, arcane) | |
| covertly(noun, adverb, close, hideaway, arcane) | |
| on the sly(noun, expression, idiom, adverb, clandestine) | |
| underhandedly(noun, adverb, close, hideaway, arcane) | |
| sneakily(noun, adverb) | |
| clandestinely(noun, adverb, clandestine, quietly, secretly) | |
| secretively(adverb, close, hideaway, arcane, stealth) | |
| confidentially | |
| slyly(noun, adverb, clandestine, quietly, secretly) | |
| sub rosa(expression, adverb, clandestine, quietly, personally) | |
| in secret(expression, idiom, adverb) | |
| on the q.t(noun, adverb) | |
| or Q.T.(noun, adverb) | |
| quietly(noun, adverb, secretly, personally, privately) | |
| secret | |
| back | |
| clandestine(adverb, secretly, slyly, underhandedly) |
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| APA | Smart Define. (2015). surreptitiously thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/surreptitiously/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "surreptitiously thesaurus" https://smartdefine.org/surreptitiously/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, surreptitiously thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/surreptitiously/thesaurus/synonyms>. |
| MLA | Smart Define. "surreptitiously thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/surreptitiously/thesaurus/synonyms> |