211 entries under intense topic. ×
| heavy(adjective, strong, harsh, passionate) | |
| burning(adjective, strong, great, keen, difficult) | |
| delirious(adjective, passionate, violent, fervent) | |
| excruciating(adjective, strong, evil, sharp, nasty) | |
| hot-headed(violent, hot, spirited, restless) | |
| incisive(adjective, strong, powerful, deep) | |
| intensive(adjective, strong, heavy, powerful) | |
| rigorous(adjective, hard, tough, harsh) | |
| terrific(adjective, great, tough, difficult) | |
| unrestrained(adjective, violent, wild, cruel) | |
| acid(adjective, strong, powerful, deep) | |
| cold(adjective, mean, sharp, harsh) | |
| ablaze(adjective, violent, hot, heated) | |
| agitated(adjective, rough, violent, wild) | |
| anxious(adjective, strong, enthusiastic, powerful) | |
| avid(adjective, strong, keen, passionate) | |
| caustic(adjective, mean, strong, severe, sharp) | |
| consuming(adjective, strong, powerful, penetrating) | |
| earnest(adjective, strong, harsh, passionate) | |
| febrile(adjective, violent, hot, spirited) |
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| APA | Smart Define. (2016). fierce thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fierce/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fierce thesaurus" https://smartdefine.org/fierce/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, fierce thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fierce/thesaurus/synonyms>. |
| MLA | Smart Define. "fierce thesaurus" 28 March 2016. Web. 25 September 2026. <https://smartdefine.org/fierce/thesaurus/synonyms> |