14
sincere(adjective, feeling, complete, keen, warm)
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
inflamed(adjective, intense, passionate, violent, excited)
12
perfervid(noun, adjective, strong, keen, intense)
12
torrid(adjective, intense, passionate, heavy, feelings)
11
energetic(adjective, strong, powerful, lively, active)
11
fanatical(adjective, strong, moving, keen, warm)
11
frenzied(adjective, strong, difficult, intense, passionate)
10
blazing(adjective, strong, keen, difficult, intense)
10
flaming(adjective, feeling, strong, difficult, intense)
10
frantic(adjective, strong, intense, passionate, violent)
10
hot-blooded(adjective, moving, keen, intense, passionate)
10
vigorous(adjective, keen, warm, intense, energetic)
9
ablaze(adjective, intense, passionate, excited, vigorous)
9
anxious(adjective, strong, kind, keen, friendly)
9
ecstatic(adjective, moving, keen, happy, passionate)
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APASmart Define. (2015). fervent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fervent/thesaurus/synonyms
ChicagoSmart Define. 2015. "fervent thesaurus" https://smartdefine.org/fervent/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, fervent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fervent/thesaurus/synonyms>.
MLASmart Define. "fervent thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/fervent/thesaurus/synonyms>