- Definitions|1
- Thesaurus|32
- Abbreviations|0
26 entries under adjective topic. ×
| on the QT | |
| on the sly | |
| resistive | |
| unbowed | |
| under wraps | |
| undercover |
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| APA | Smart Define. (2013). subterrestrial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/subterrestrial/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "subterrestrial thesaurus" https://smartdefine.org/subterrestrial/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2013, subterrestrial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/subterrestrial/thesaurus/synonyms>. |
| MLA | Smart Define. "subterrestrial thesaurus" 17 June 2013. Web. 25 September 2026. <https://smartdefine.org/subterrestrial/thesaurus/synonyms> |