- Definitions|1
- Thesaurus|404
- Abbreviations|0
| affect | |
| aloof(hard, insensitive, unsusceptible) | |
| bad | |
| calm | |
| casehardened(hard, unfeeling, unsympathetic, hardened, toughened) | |
| coldblooded(careless, apathetic, unsympathetic, insensitive) | |
| contained | |
| contemptuous(adjective, hard, unfeeling, unsympathetic, hardened) | |
| controlled | |
| crass(hard, insensitive, unsusceptible) | |
| cynical(adjective, hard, unfeeling, unsympathetic, hardened) | |
| dead to(verb, phrasal verb, insensibility) | |
| deaf | |
| disdainful(adjective, hard, unfeeling, unsympathetic, hardened) | |
| feelingless(adjective, hard, impassive, insensitive, unsusceptible) | |
| habituated(adjective, hard, unfeeling, unsympathetic, hardened) | |
| hard-as-nails(adjective, hard, unfeeling, unsympathetic, hardened) | |
| hard-nosed(adjective, hard, unfeeling, unsympathetic, hardened) | |
| hard as nails(expression, adjective, idiom, hard, impassive) | |
| hardboiled(careless, cruel, apathetic) |
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| APA | Smart Define. (2015). unimpressionable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unimpressionable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unimpressionable thesaurus" https://smartdefine.org/unimpressionable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, unimpressionable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unimpressionable/thesaurus/synonyms>. |
| MLA | Smart Define. "unimpressionable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/unimpressionable/thesaurus/synonyms> |