- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
178 entries under tough topic. ×
| cantankerous(adjective, hard, severe, firm) | |
| deadened(adjective, hard, severe, cold) | |
| forbidding(adjective, person, close, strong, hard) | |
| hard-line(adjective, strong, hard, severe) | |
| hard as nails(expression, adjective, idiom, strong, hard) | |
| hostile(adjective, person, harsh, feelings) | |
| inclement(adjective, harsh, cruel, grim) | |
| inhumane(adjective, mean, hard, harsh) | |
| locked in(expression, determined, fixed, stiff) | |
| numb(adjective, hard, severe, cold) | |
| rough(adjective, person, strong, hard) | |
| true(adjective, strong, flat, firm) | |
| uncooperative(adjective, difficult, inflexible, obstinate) | |
| ungovernable(difficult, violent, wild, capricious) | |
| unkind(adjective, mean, hard, cool) | |
| unrepenting(adjective, hard, unfeeling, unsympathetic) | |
| anesthetized(adjective, hard, severe, cold) | |
| awkward(difficult, obstinate, stubborn, willful) | |
| bitter(adjective, strong, hard, harsh) | |
| churlish(adjective, hard, severe, cold) |
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| APA | Smart Define. (2016). obdurate thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, obdurate thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>. |
| MLA | Smart Define. "obdurate thesaurus" 23 March 2016. Web. 29 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms> |