- Definitions|2
- Thesaurus|3.3k
- Abbreviations|0
87 entries under rigid topic. ×
| tense(adjective, uneasy, bothered) | |
| by the book(expression, adjective, idiom, strong, hard) | |
| concrete(adjective, correct, solid, exact, proper) | |
| grievous(adjective, hard, tough, severe, difficult) | |
| iron-fisted(adjective, severe, firm, harsh, stiff) | |
| ironclad(adjective, set, hard, severe, harsh) | |
| moral(adjective, careful, straight, upright) | |
| taut | |
| valid(adjective, open, sound, correct, right) | |
| aloof(tough, fair, pure, fixed) | |
| binding(adjective, set, severe, harsh, stiff) | |
| brick-wall(adjective, severe, stiff, tight) | |
| by the numbers(expression, adjective, idiom, severe, harsh) | |
| compelling(adjective, severe, harsh, stiff) | |
| hard as nails(expression, adjective, idiom, tough, severe) | |
| persnickety(harsh, careful, precise, tidy) | |
| powerful(adjective, severe, harsh, stiff) | |
| reserved(adjective, tough, firm, fixed, stiff) | |
| trying(adjective, hard, tough, difficult, harsh) | |
| unswayable(hard, tough, fixed, reserved) |
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| APA | Smart Define. (2015). strict thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/strict/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, strict thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>. |
| MLA | Smart Define. "strict thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms> |