- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
200 entries under hard topic. ×
| dyed-in-the-wool(adjective, strong, tough, severe) | |
| fixed(adjective, mean, rough, harsh) | |
| flinty(adjective, strong, tough, severe) | |
| forbidding(adjective, person, strong, tough) | |
| frowning(adjective, strong, tough, severe) | |
| grim(adjective, strong, tough, severe) | |
| habituated(adjective, unfeeling, unsympathetic, hardened) | |
| hang-tough(adjective, strong, tough, severe) | |
| hanging tough(expression, adjective, mean, stubborn) | |
| hard-as-nails(adjective, unfeeling, unsympathetic, hardened) | |
| hard-core(adjective, strong, tough, severe) | |
| hard-shell(adjective, strong, tough, severe) | |
| hard as nails(expression, adjective, idiom, tough) | |
| immovable(adjective, mean, strong, tough) | |
| impassive(adjective, calm, tough, careless) | |
| impenetrable(adjective, unfeeling, unsympathetic, hardened) | |
| impenitent(adjective, careless, indifferent, cruel) | |
| impious(adjective, unfeeling, unsympathetic, hardened) | |
| inaccessible(adjective, unfeeling, unsympathetic, hardened) | |
| incurious(adjective, indifferent, detached, distant) |
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| APA | Smart Define. (2016). hard-boiled thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hard-boiled/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, hard-boiled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-boiled thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms> |