1,055 entry under adjective topic. ×
| hardy(person, quality, body, strong) | |
| indestructible(firm, rigid, unyielding, steely) | |
| nasty(mean, bad, hard, cool) | |
| obdurate(mean, strong, hard, cool) | |
| ambitious(hard, difficult, complex) | |
| involved(hard, difficult, complex) | |
| massive(person, body, hard, difficult) | |
| rock-hard(firm, rigid, unyielding, steely) | |
| rowdy(noun, person, mean, attack) | |
| byzantine(hard, difficult, complex) | |
| disturbing(hard, severe, difficult, awful) | |
| grave(hard, severe, difficult, harsh) | |
| grinding(hard, difficult, complex) | |
| hard to understand(expression, idiom, hard, difficult) | |
| hardened(noun, characteristic, strong, hard) | |
| heavy-handed(hard, difficult, complex) | |
| knotted(hard, difficult, complex) | |
| leathery(feature, characteristic, strong, hard) | |
| perplexed(hard, difficult, complex) | |
| powerful(person, body, strong, great) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |