- Definitions|2
- Thesaurus|3k
- Abbreviations|0
136 entries under strong topic. ×
| hard-bitten(adjective, hard, rough, harsh) | |
| hard-shell(adjective, hard, tough, severe) | |
| heavy(adjective, hard, tough, severe) | |
| insensible(adjective, hard, tough, careless) | |
| intent(adjective, flat, firm, certain) | |
| mortified(adjective, hard, tough, severe) | |
| never-failing(adjective, flat, certain, determined) | |
| prim(stiff, rigid, standoffish, solemn) | |
| secure(adjective, close, firm, steady) | |
| serious(adjective, hard, tough, severe) | |
| stand pat(expression, firm, steady, definite) | |
| starchy(adjective, hard, firm, solid) | |
| stated(adjective, flat, certain, determined) | |
| stipulated(adjective, flat, certain, determined) | |
| stout(adjective, hard, tough, firm) | |
| thick(adjective, hard, tough, firm) | |
| unbreakable(adjective, hard, severe, firm) | |
| unqualified(adjective, flat, certain, determined) | |
| wooden(adjective, hard, firm, solid) | |
| artificial(affected, strained, standoffish, formal) |
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| APA | Smart Define. (2016). inflexible thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, inflexible thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>. |
| MLA | Smart Define. "inflexible thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms> |