- Definitions|1
- Thesaurus|860
- Abbreviations|0
68 entries under adjective topic. ×
| intelligence(secret, hidden, spy, covert) | |
| mystical(secret, unknown, hidden, underground) | |
| on the QT(expression, idiom, adverb, dishonest) | |
| sub-rosa(dishonest, cunning, deceitful, secret) | |
| under cover(expression, adverb, sly, clandestine) | |
| deep(clandestine, underground, undisclosed) | |
| individual | |
| irregular | |
| jumbled | |
| personal | |
| unavowed | |
| abnormal | |
| analytical | |
| atypical | |
| classified(secret, clandestine, underground, undisclosed) | |
| eccentric | |
| eerie | |
| erratic | |
| exploratory | |
| huggermugger |
For more, visit
Undercover on
Power Thesaurus
| 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> |