- Definitions|2
- Thesaurus|3.3k
- Abbreviations|0
108 entries under tough topic. ×
| fussy(adjective, hard, harsh, exact) | |
| obdurate(adjective, strong, hard, severe) | |
| stiff(adjective, hard, severe, rough) | |
| inexorable(adjective, strong, hard, severe) | |
| grim(adjective, strong, hard, severe) | |
| unsparing(adjective, strong, hard, severe) | |
| adamant(adjective, strong, hard, flat) | |
| hard-boiled(adjective, strong, hard, severe) | |
| obstinate(adjective, hard, moderate, severe) | |
| unsympathetic(adjective, severe, harsh, cruel) | |
| uptight(adjective, severe, firm, informal) | |
| astringent(adjective, strong, hard, severe) | |
| resolute(adjective, close, strong, hard) | |
| single-minded(adjective, firm, harsh, cruel) | |
| strong(adjective, hard, severe, flat) | |
| unfeeling(adjective, severe, harsh, cruel) | |
| unrelenting(adjective, strong, hard, severe) | |
| acrimonious(adjective, severe, harsh, cruel) | |
| cold-blooded(adjective, harsh, cruel, grim) | |
| difficult(adjective, hard, severe, rough) |
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| APA | Smart Define. (2015). strict thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/strict/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, strict thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>. |
| MLA | Smart Define. "strict thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms> |