- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
73 entries under clandestine topic. ×
| secluded(underground, undisclosed) | |
| shrouded(secret, hidden, underground, undisclosed) | |
| strange(underground, undisclosed) | |
| top-secret(underground, undisclosed) | |
| top secret(expression, underground, undisclosed) | |
| unacknowledged(underground, undisclosed) | |
| under false pretense(expression, idiom, underground, undisclosed) | |
| unenlightened(underground, undisclosed) | |
| unfrequented(underground, undisclosed) | |
| unintelligible(underground, undisclosed) | |
| unknown(underground, undisclosed) | |
| unpublished(underground, undisclosed) | |
| unseen(underground, undisclosed) |
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| APA | Smart Define. (2015). underhand thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/underhand/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "underhand thesaurus" https://smartdefine.org/underhand/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, underhand thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/underhand/thesaurus/synonyms>. |
| MLA | Smart Define. "underhand thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/underhand/thesaurus/synonyms> |