143 entries under keen topic. ×

12
avid(adjective, strong, desire, warm)
12
devoted(adjective, strong, kind, friendly)
12
glowing(adjective, feeling, strong, difficult)
12
heartfelt(adjective, strong, warm, difficult)
12
heated(adjective, strong, moving, difficult)
12
perfervid(noun, adjective, strong, intense)
11
fanatical(adjective, strong, moving, warm)
10
blazing(adjective, strong, difficult, intense)
10
hot-blooded(adjective, moving, intense, passionate)
10
vigorous(adjective, warm, intense, energetic)
9
anxious(adjective, strong, kind, friendly)
9
ecstatic(adjective, moving, happy, passionate)
9
lively(adjective, strong, warm, intense)
9
serious(adjective, complete, warm, total)
8
rabid(adjective, desire, concern, warm)
8
wholehearted(adjective, strong, warm, total)
7
breathless(adjective, feeling, strong, desire)
7
devout(adjective, warm, passionate, enthusiastic)
7
exuberant(adjective, warm, passionate, excited)
6
dedicated(adjective, clear, tough, severe)
11 years ago|25k views|share |citing 
APASmart Define. (2015). fervent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/fervent/thesaurus/synonyms
ChicagoSmart Define. 2015. "fervent thesaurus" https://smartdefine.org/fervent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, fervent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/fervent/thesaurus/synonyms>.
MLASmart Define. "fervent thesaurus" 3 August 2015. Web. 28 September 2026. <https://smartdefine.org/fervent/thesaurus/synonyms>