- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
127 entries under obscure topic. ×
| unclear(adjective, hard, delicate, loose) | |
| unfrequented(adjective, close, quiet, separate) | |
| Delphian(adjective, evil, strange, deep) | |
| abnormal(adjective, dark, superior, detached) | |
| acroamatic(complex, deep, mysterious, abstruse) | |
| bewildering(hard, sophisticated, tricky, complicated) | |
| celestial(dark, superior, mysterious, supernatural) | |
| complex(adjective, hard, difficult, delicate) | |
| complicated(adjective, hard, evil, difficult) | |
| difficult(adjective, hard, dark, heavy) | |
| entangled(hard, sophisticated, tricky, complicated) | |
| equivocal(cover, dark, strange, inexplicable) | |
| fairy(dark, superior, mysterious, supernatural) | |
| ghostly(dark, superior, mysterious, supernatural) | |
| heavenly(dark, superior, mysterious, supernatural) | |
| incog(new, remote, mysterious, secret) | |
| indirect(adjective, latent, oblique) | |
| intricate(adjective, hard, evil, difficult) | |
| involved(complex, sophisticated, complicated, indirect) | |
| knotty(adjective, hard, evil, difficult) |
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| APA | Smart Define. (2015). hidden thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hidden/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hidden thesaurus" https://smartdefine.org/hidden/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, hidden thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hidden/thesaurus/synonyms>. |
| MLA | Smart Define. "hidden thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/hidden/thesaurus/synonyms> |