- Definitions|2
- Thesaurus|824
- Abbreviations|0
186 entries under adjective topic. ×
| impervious | |
| implacable(strong, hard, tough, severe) | |
| leathery(strong, hard, solid, stiff) | |
| petrified | |
| remorseless | |
| resistant(strong, hard, solid, stiff) | |
| resolute | |
| savage | |
| silica | |
| steeled(strong, hard, solid, stiff) | |
| stony-hearted | |
| strict(strong, hard, tough, severe) | |
| strong(hard, tough, solid, stiff) | |
| sturdy(strong, hard, tough, solid) | |
| tyrannical(evil, nasty, harsh, cruel) | |
| unmerciful | |
| unmoved | |
| unpitying | |
| unsparing(close, strong, hard, tough) | |
| vicious(evil, nasty, harsh, wicked) |
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| APA | Smart Define. (2015). flinty thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/flinty/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "flinty thesaurus" https://smartdefine.org/flinty/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, flinty thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/flinty/thesaurus/synonyms>. |
| MLA | Smart Define. "flinty thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/flinty/thesaurus/synonyms> |