65 entries under rigid topic. ×
| steady(adjective, resolute) | |
| unwavering(adjective, resolute) | |
| disciplinary(adjective, tough, severe, firm, harsh) | |
| exact | |
| fixed | |
| no-nonsense(adjective, set, tough, severe, firm) | |
| strong(adjective, severe, violent, brutal) | |
| stuffy(adjective, tough, severe, firm, harsh) | |
| uptight(adjective, tough, severe, firm, harsh) | |
| concrete | |
| dead set(expression, adjective, tough, severe, firm) | |
| definite | |
| grievous(adjective, tough, severe, harsh, cruel) | |
| iron-fisted(adjective, tough, severe, firm, harsh) | |
| picky(adjective, tough, severe, firm, harsh) | |
| scrupulous(adjective, hard, tough, severe, rough) | |
| solid | |
| square(adjective, tough, severe, firm, harsh) | |
| taut | |
| tense |
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| APA | Smart Define. (2016). stern thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stern/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "stern thesaurus" https://smartdefine.org/stern/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, stern thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stern/thesaurus/synonyms>. |
| MLA | Smart Define. "stern thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/stern/thesaurus/synonyms> |