110 entries under deep topic. ×

12
avid(adjective, strong, desire, keen, warm)
12
devoted(adjective, strong, kind, keen, friendly)
12
glowing(adjective, feeling, strong, keen, difficult)
12
heartfelt(adjective, strong, keen, warm, difficult)
12
heated(adjective, strong, moving, keen, difficult)
12
perfervid(noun, adjective, strong, keen, intense)
11
energetic(adjective, strong, powerful, lively, active)
11
fanatical(adjective, strong, moving, keen, warm)
10
vigorous(adjective, keen, warm, intense, energetic)
9
anxious(adjective, strong, kind, keen, friendly)
9
lively(adjective, strong, keen, warm, intense)
9
strong(adjective, difficult, intense, passionate, violent)
8
violent(adjective, clear, strong, tough, severe)
8
wholehearted(adjective, strong, keen, warm, total)
7
breathless(adjective, feeling, strong, desire, keen)
7
cordial(adjective, feeling, kind, friendly, warm)
6
fierce(adjective, clear, strong, tough, severe)
6
impatient(adjective, strong, desire, keen, intense)
6
tender(adjective, kind, moving, keen, friendly)
5
diligent(adjective, strong, passionate, powerful)
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APASmart Define. (2015). fervent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fervent/thesaurus/synonyms
ChicagoSmart Define. 2015. "fervent thesaurus" https://smartdefine.org/fervent/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fervent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fervent/thesaurus/synonyms>.
MLASmart Define. "fervent thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/fervent/thesaurus/synonyms>