211 entries under intense topic. ×
| quickened(adjective, strong, difficult, violent) | |
| red-hot(adjective, passionate, violent, excited) | |
| resolute(adjective, clear, hard, tough, severe) | |
| romantic(adjective, passionate, excited, ardent) | |
| rousing(adjective, passionate, excited, ardent) | |
| sentimental(adjective, passionate, excited, ardent) | |
| spirited(adjective, strong, keen, difficult) | |
| starry-eyed(adjective, passionate, excited, ardent) | |
| steamed up(expression, adjective, strong, difficult) | |
| stimulated(adjective, strong, difficult, violent) | |
| stirring(adjective, strong, difficult, passionate) | |
| strenuous(tough, difficult, heavy, demanding) | |
| thirsty(adjective, strong, keen, passionate) | |
| thrilling(adjective, strong, difficult, violent) | |
| ungovernable(adjective, violent, cruel, vicious) | |
| white-hot(adjective, passionate, excited, ardent) | |
| wild about(expression, adjective, passionate, excited) | |
| excited enthusiastic(expression, strong, difficult, violent) | |
| potent(adjective, clear, tough, severe) | |
| afire(violent, hot, burning, scorching) |
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| APA | Smart Define. (2016). fierce thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fierce/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fierce thesaurus" https://smartdefine.org/fierce/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, fierce thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fierce/thesaurus/synonyms>. |
| MLA | Smart Define. "fierce thesaurus" 28 March 2016. Web. 26 September 2026. <https://smartdefine.org/fierce/thesaurus/synonyms> |