1,055 entry under adjective topic. ×
| cold-blooded(calm, mean, hard, cool) | |
| constant(calm, strong, secure, firm) | |
| critical(hard, difficult, harsh, important) | |
| dispassionate(calm, detached, unfeeling, unemotional) | |
| enduring(calm, strong, sound, fit) | |
| exigent(difficult, harsh, heavy, demanding) | |
| fatiguing(dull, difficult, boring, tired) | |
| fearless(bad, strong, cool, determined) | |
| ferocious(rough, property, obstinate) | |
| fit(strong, fresh, healthy, well) | |
| grim(strong, hard, severe, firm) | |
| hale(strong, sound, fit, firm) | |
| headstrong(hard, rough, firm, difficult) | |
| implacable(mean, strong, hard, firm) | |
| inhuman(hard, severe, harsh, violent) | |
| inured(noun, strong, hard, sound) | |
| long-lasting | |
| lusty(strong, fit, firm, solid) | |
| mettlesome(strong, intense, energetic, powerful) | |
| unemotional(calm, mean, hard, cool) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |