- Definitions|2
- Thesaurus|3k
- Abbreviations|0
210 entries under hard topic. ×
| tight(adjective, close, strong, tough) | |
| unadaptable(adjective, set, stiff, rigid) | |
| indurate(adjective, mean, firm, determined) | |
| ironclad(adjective, set, severe, harsh) | |
| sturdy(adjective, close, strong, tough) | |
| authoritarian(adjective, strong, tough, severe) | |
| demanding(adjective, severe, rough, difficult) | |
| hard-hearted(adjective, mean, harsh, stubborn) | |
| narrow(adjective, moderate, rough, firm) | |
| ruthless(adjective, rough, harsh, cruel) | |
| unresponsive(adjective, person, careless, indifferent) | |
| unsparing(adjective, strong, tough, severe) | |
| bullheaded(adjective, strong, tough, firm) | |
| cold(adjective, strong, severe, harsh) | |
| definite(adjective, strong, severe, flat) | |
| frozen(adjective, firm, solid, stiff) | |
| hard-core(adjective, strong, tough, severe) | |
| heartless(adjective, mean, harsh, careless) | |
| rocky(adjective, set, strong, firm) | |
| rough(adjective, person, strong, tough) |
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| APA | Smart Define. (2016). inflexible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, inflexible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>. |
| MLA | Smart Define. "inflexible thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms> |