- Definitions|1
- Thesaurus|413
- Abbreviations|0
18 entries under strict topic. ×
| rigid(adjective, hard, tough, severe, rough) | |
| austere(adjective, hard, tough, severe, rough) | |
| dead set(expression, adjective, tough, severe, firm) | |
| demanding(adjective, hard, severe, rough, difficult) | |
| draconian(adjective, tough, severe, firm, harsh) | |
| exacting(adjective, hard, tough, severe, rough) | |
| hard(adjective, tough, severe, rough, firm) | |
| iron-fisted(adjective, tough, severe, firm, harsh) | |
| picky(adjective, tough, severe, firm, harsh) | |
| rigorous(adjective, hard, tough, severe, rough) | |
| rough(adjective, hard, severe, difficult, harsh) | |
| set(adjective, tough, severe, firm, harsh) | |
| severe(adjective, tough, firm, harsh, stiff) | |
| stern(adjective, hard, tough, severe, rough) | |
| strait-laced(adjective, tough, severe, firm, harsh) | |
| stringent(adjective, hard, tough, severe, rough) | |
| tough(adjective, severe, firm, harsh, rigid) | |
| unyielding(adjective, severe, firm, harsh, solid) |
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| APA | Smart Define. (2013). unpermissive thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unpermissive/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "unpermissive thesaurus" https://smartdefine.org/unpermissive/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2013, unpermissive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unpermissive/thesaurus/synonyms>. |
| MLA | Smart Define. "unpermissive thesaurus" 28 June 2013. Web. 27 September 2026. <https://smartdefine.org/unpermissive/thesaurus/synonyms> |