- Definitions|2
- Thesaurus|3.3k
- Abbreviations|0
| difficult(adjective, hard, tough, severe, rough) | |
| diligent(adjective, careful, thorough, meticulous, vigilant) | |
| direct | |
| discriminating(adjective, correct, sharp, obscure, fine) | |
| domineering | |
| forbidding(adjective, strong, hard, tough, severe) | |
| free from error(adjective, exact, scrupulous, detailed) | |
| free from mistakes(adjective, exact, scrupulous, detailed) | |
| free from vagueness(adjective, exact, scrupulous, detailed) | |
| hard-and-fast(adjective, hard, rigid, inflexible, obstinate) | |
| hard-line(adjective, strong, hard, tough, severe) | |
| hard and fast(expression, adjective, idiom, set, solid) | |
| imperative | |
| imperious | |
| intense(adjective, severe) | |
| intractable(adjective, hard, persistent, rigid, obstinate) | |
| mathematical | |
| perfectionist(adjective, careful, thorough, scrupulous, detailed) | |
| picky(adjective, severe, firm, harsh, careful) | |
| positive(certain, definite, flawless, faultless, severity) |
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| APA | Smart Define. (2015). strict thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/strict/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, strict thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>. |
| MLA | Smart Define. "strict thesaurus" 3 August 2015. Web. 21 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms> |