- Definitions|2
- Thesaurus|3.3k
- Abbreviations|0
108 entries under tough topic. ×
| unswayable(hard, fixed, rigid, reserved) | |
| dyed-in-the-wool(adjective, close, set, strong, hard) | |
| antagonistic(adjective, severe, harsh, cruel) | |
| clamorous(adjective, hard, difficult, urgent) | |
| cold fish(expression, adjective, harsh, cruel) | |
| disagreeable(adjective, severe, harsh, cruel) | |
| distressing(adjective, severe, harsh, cruel) | |
| exhausting(adjective, hard, difficult, urgent) | |
| ferric(adjective, strong, hard, sturdy) | |
| ferrous(adjective, strong, hard, sturdy) | |
| frowning(adjective, strong, hard, severe) | |
| hardboiled | |
| hostile(adjective, severe, harsh, cruel) | |
| insensible(adjective, strong, hard, sturdy) | |
| intolerable(adjective, severe, harsh, cruel) | |
| mortified(adjective, strong, hard, severe) | |
| mulish(adjective, strong, hard, severe) | |
| painful(adjective, harsh, cruel, grim) | |
| perverse(adjective, severe, harsh, cruel) | |
| rancorous(adjective, harsh, cruel, grim) |
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| APA | Smart Define. (2015). strict thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/strict/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "strict thesaurus" https://smartdefine.org/strict/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, strict thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/strict/thesaurus/synonyms>. |
| MLA | Smart Define. "strict thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/strict/thesaurus/synonyms> |