- Definitions|2
- Thesaurus|3k
- Abbreviations|0
121 entries under severe topic. ×
| exacting(adjective, severity) | |
| puritanical | |
| unsparing(adjective, strong, hard, tough) | |
| cold(adjective, strong, hard, harsh) | |
| definite(adjective, strong, hard, flat) | |
| formal(adjective, strong, fixed, serious) | |
| hard-core(adjective, strong, hard, tough) | |
| icy | |
| meticulous | |
| rough(adjective, person, strong, hard, tough) | |
| unfeeling(adjective, mean, hard, tough) | |
| correct | |
| critical | |
| intense(adjective, harsh, cruel, resolute) | |
| oppressive(adjective, severity) | |
| stark(adjective, hard, firm, solid) | |
| strait-laced(adjective, severity) | |
| acrimonious(adjective, harsh, stiff, rigid) | |
| acute | |
| astringent(adjective, strong, hard, 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> |