- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
| stiffened | |
| thick-skinned(noun, adjective, hard, careless, indifferent) | |
| braced(verb, strengthened) | |
| experient | |
| invigorated(verb, adjective, strengthened) | |
| roughened | |
| strong | |
| bad | |
| burned | |
| energized(verb, strengthened) | |
| hard-boiled(noun, adjective, hard, careless, indifferent) | |
| hardy | |
| insensate(noun, adjective, hard, careless, indifferent) | |
| insensitive(noun, adjective, hard, careless, indifferent) | |
| knowledgeable(experienced, hardened, veteran) | |
| mill | |
| resistant(adjective, strong, hard, unfeeling, unsympathetic) | |
| sturdy | |
| supported(verb, strengthened) | |
| toughen |
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| APA | Smart Define. (2015). toughened thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/toughened/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toughened thesaurus" https://smartdefine.org/toughened/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, toughened thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/toughened/thesaurus/synonyms>. |
| MLA | Smart Define. "toughened thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/toughened/thesaurus/synonyms> |