89 entries under strong topic. ×
| physical(adjective, hard, substantial, compact) | |
| relentless(adjective, hard, tough, sturdy) | |
| rock(adjective, hard, substantial, compact) | |
| rock hard(expression, adjective, hard, tough) | |
| rooted(adjective, hard, substantial, compact) | |
| rugged(adjective, hard, tough, rough) | |
| serious(adjective, hard, tough, sturdy) | |
| strict(adjective, hard, tough, sturdy) | |
| tough inflexible(expression, hard, tough, sturdy) |
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| APA | Smart Define. (2016). thick thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thick/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "thick thesaurus" https://smartdefine.org/thick/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, thick thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thick/thesaurus/synonyms>. |
| MLA | Smart Define. "thick thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/thick/thesaurus/synonyms> |