- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
74 entries under rigid topic. ×
| unchangeable(adjective, set, hard, stiff) | |
| uncompliant(adjective, set, hard, stiff) | |
| unpermissive(adjective, hard, tough, severe, rough) | |
| unswayable(adjective, set, hard, stiff) | |
| uptight(adjective, tough, severe, firm, harsh) | |
| brick-wall(adjective, tight) | |
| by the numbers(adjective, tight) | |
| indomitable(hard, resolute, inflexible, strict) | |
| ironclad(adjective, tight) | |
| ironfisted(adjective, tough, scrupulous, disciplined) | |
| no-nonsense(adjective, tough, severe, firm, harsh) | |
| square(adjective, tough, severe, firm, harsh) | |
| straight(adjective, tough, severe, firm, harsh) | |
| stuffy(adjective, tough, severe, firm, harsh) |
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| APA | Smart Define. (2015). stringent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stringent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stringent thesaurus" https://smartdefine.org/stringent/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, stringent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stringent/thesaurus/synonyms>. |
| MLA | Smart Define. "stringent thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/stringent/thesaurus/synonyms> |