- Definitions|0
- Thesaurus|470
- Abbreviations|1
202 entries under adjective topic. ×
| stealth(secret, spy, covert) | |
| strange(deep, unpublished) | |
| subterranean | |
| subversive | |
| taciturn | |
| tight-lipped(taciturn, uncommunicative) | |
| treacherous(dishonest, deceitful, fickle, untrustworthy) | |
| tricky(secretive, conspiratorial) | |
| two-faced(dishonest, deceitful) | |
| two-timing(dishonest, deceitful, fickle, untrustworthy) | |
| unauthorized | |
| unbowed(experimental, subversive) | |
| uncommunicative | |
| unconventional(experimental, subversive) | |
| under-the-counter(sly, fraudulent) | |
| underhand(secret, fickle, untrustworthy, spy) | |
| underhanded | |
| underneath(secret, spy, covert, sub-rosa) | |
| undetected(obscure, dark, unseen) | |
| undisclosed(cover, obscure, dark, equivocal) |
For more, visit
Under_cover on
Power Thesaurus
| APA | Smart Define. (2015). under cover thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/under_cover/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "under cover thesaurus" https://smartdefine.org/under_cover/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, under cover thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/under_cover/thesaurus/synonyms>. |
| MLA | Smart Define. "under cover thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/under_cover/thesaurus/synonyms> |