- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
| galvanized | |
| hard-edged(adjective, cynical, hard-boiled, hard-bitten) | |
| hard-nosed(adjective, hard, unfeeling, unsympathetic, hardened) | |
| hard as nails(expression, idiom, unfeeling, unbending, seasoned) | |
| hardboiled(careless, cruel, apathetic) | |
| impervious | |
| in the know | |
| inspired | |
| instructed(experienced, hardened, veteran) | |
| intoxicated | |
| inure | |
| long-serving | |
| long-standing | |
| matured(experienced, hardened, veteran) | |
| monomaniacal | |
| old hand(expression, experienced, hardened, veteran) | |
| pachydermatous | |
| physically toughened(expression, idiom) | |
| pitiless(adjective, unfeeling, unsympathetic, uncaring, insensitive) | |
| practiced(experienced, hardened, veteran) |
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| APA | Smart Define. (2015). toughened thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/toughened/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toughened thesaurus" https://smartdefine.org/toughened/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, toughened thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/toughened/thesaurus/synonyms>. |
| MLA | Smart Define. "toughened thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/toughened/thesaurus/synonyms> |