- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
74 entries under rigid topic. ×
| oppressive(adjective, hard, tough, severe, rough) | |
| powerful(verb, adjective, good, strong, sound) | |
| rough(adjective, hard, severe, difficult, bleak) | |
| unsparing(adjective, tough, severe, firm, harsh) | |
| valid(verb, adjective, sound, right, reasonable) | |
| compelling(adjective, good, strong, sound, reasonable) | |
| confining(adjective, tight) | |
| drawing(adjective, tight) | |
| strait-laced(adjective, tough, severe, firm, harsh) | |
| firm(noun, adjective, set, hard, tough) | |
| hard-nosed(adjective, hard, severe, sharp, nasty) | |
| obstinate(adjective, set, hard, severe, stiff) | |
| picky(adjective, tough, severe, firm, harsh) | |
| prudish(adjective, tough, severe, firm, harsh) | |
| puritanical(adjective, tough, severe, firm, harsh) | |
| set(adjective, tough, severe, firm, harsh) | |
| weighty(adjective, good, strong, hard, sound) | |
| adamantine(adjective, hard, severe, stiff, resolute) | |
| by the book(adjective, tight) | |
| dead set(expression, adjective, tough, severe, firm) |
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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> |