- Definitions|1
- Thesaurus|860
- Abbreviations|0
63 entries under clandestine topic. ×
| secret(adjective, quiet, show, dishonest, hidden) | |
| covert(adjective, show, secret, reticent, hidden) | |
| hush-hush(adjective, adverb, show, informal, dishonest) | |
| hidden(adjective, secret, spy, underground) | |
| confidential(adjective, secret, hidden, spy) | |
| private(adjective, secret, unknown, hidden, spy) | |
| underhand(adjective, deceitful, secret, hidden, spy) | |
| concealed(adjective, obscure, dishonest, secret, hidden) | |
| secretly(adverb, underground, slyly, underhandedly) | |
| under wraps(expression, adjective, idiom, show, dishonest) | |
| privately(adverb, underground, secretly, slyly) | |
| underhanded(dishonest, cunning, deceitful, secret, hidden) | |
| furtively(adverb, underground, secretly, slyly) | |
| sub rosa(expression, adjective, idiom, show, secret) | |
| disguised(adjective, obscure, secret, hidden) | |
| incognito(adjective, adverb, informal, secret, hidden) | |
| in ambush(expression, idiom, underground, undisclosed) | |
| clandestinely(adverb, secretly, furtively, slyly) | |
| cloaked(obscure, secret, unknown, hidden) | |
| closet(noun, adjective, secret, sly) |
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| APA | Smart Define. (2015). undercover thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/undercover/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undercover thesaurus" https://smartdefine.org/undercover/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, undercover thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/undercover/thesaurus/synonyms>. |
| MLA | Smart Define. "undercover thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/undercover/thesaurus/synonyms> |