- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
51 entries under complicated topic. ×
| hard(obscure, solid, complex, dense, tricky) | |
| hard to explain(expression, idiom, hard, tricky) | |
| hard to solve(expression, idiom, hard, tricky) | |
| loose(hard, tricky) | |
| obstinate(hard, tricky) | |
| problematical(hard, tricky) | |
| thorny(hard, tricky) | |
| ticklish(hard, tricky) | |
| tricky(hard, sneaky, covert, secretive) | |
| troublesome(hard, tricky) | |
| vexing(hard, tricky) |
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| APA | Smart Define. (2015). hidden thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hidden/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hidden thesaurus" https://smartdefine.org/hidden/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, hidden thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hidden/thesaurus/synonyms>. |
| MLA | Smart Define. "hidden thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/hidden/thesaurus/synonyms> |