- Definitions|2
- Thesaurus|3.3k
- Abbreviations|0
95 entries under strong topic. ×
| going(certain, definite, resolved, unalterable) | |
| insensible(adjective, hard, tough, sturdy) | |
| mortified(adjective, hard, tough, severe) | |
| mulish(adjective, hard, tough, severe) | |
| never-failing(certain, definite, resolved, unalterable) | |
| persevering(certain, definite, resolved, unalterable) | |
| prevailing(certain, definite, resolved, unalterable) | |
| robust(adjective, hard, tough, sturdy) | |
| stable(adjective, flat, firm, solid) | |
| stated(certain, definite, resolved, unalterable) | |
| steel(adjective, hard, tough, sturdy) | |
| stipulated(certain, definite, resolved, unalterable) | |
| sturdy(adjective, hard, tough, rugged) | |
| thick(adjective, hard, tough, sturdy) | |
| tough inflexible(expression, hard, tough, sturdy) |
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| APA | Smart Define. (2015). strict thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/strict/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, strict thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>. |
| MLA | Smart Define. "strict thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms> |