- Definitions|1
- Thesaurus|270
- Abbreviations|0
188 entries under adjective topic. ×
| ferric(strong, hard, tough, sturdy) | |
| ferrous(strong, hard, tough, sturdy) | |
| firmly established | |
| flat(severe, bleak, stark, austere) | |
| glaring(severe, bleak, stark, austere) | |
| grating(severe, bleak, stark, austere) | |
| gruff(severe, sharp, nasty, bleak) | |
| guttural(severe, bleak, stark, austere) | |
| habituated | |
| hairy(severe, sharp, nasty, bleak) | |
| hard(strong, tough, severe, harsh) | |
| hardboiled(sharp, nasty, disciplined, grooved) | |
| hardened | |
| heavy(strong, hard, tough, sturdy) | |
| hoarse(severe, bleak, stark, austere) | |
| immovable(strong, hard, tough, sturdy) | |
| implacable(strong, hard, tough, severe) | |
| incompatible(severe, bleak, stark, austere) | |
| inflexible(strong, hard, tough, severe) | |
| inhospitable(severe, bleak, stark, austere) |
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| APA | Smart Define. (2013). hard-shell thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hard-shell/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "hard-shell thesaurus" https://smartdefine.org/hard-shell/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2013, hard-shell thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hard-shell/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-shell thesaurus" 17 June 2013. Web. 23 September 2026. <https://smartdefine.org/hard-shell/thesaurus/synonyms> |