- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
| propped(verb, strengthened) | |
| rigidified | |
| ruffianly | |
| sclerotic | |
| shatterproof | |
| sinewy | |
| sophisticated | |
| soulless(adjective, hard, careless, indifferent, cruel) | |
| spiritless(adjective, hard, careless, indifferent, cruel) | |
| stiff(adjective, hard, careless, indifferent, cruel) | |
| stony(adjective, hard, careless, indifferent, cruel) | |
| sunbaked | |
| thickened | |
| tightened | |
| torpid(adjective, hard, careless, indifferent, cruel) | |
| toughening | |
| toughens | |
| unaffected(adjective, hard, careless, indifferent, cruel) | |
| unashamed(adjective, hard, unfeeling, unsympathetic, hardened) | |
| unbending(adjective, hard, careless, indifferent, cruel) |
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| APA | Smart Define. (2015). toughened thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/toughened/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toughened thesaurus" https://smartdefine.org/toughened/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, toughened thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/toughened/thesaurus/synonyms>. |
| MLA | Smart Define. "toughened thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/toughened/thesaurus/synonyms> |