170 entries under keen topic. ×

2
obsessed(adjective, passionate, enthusiastic, fervent)
2
possessed(adjective, passionate, enthusiastic, fervent)
2
snappy(adjective, strong, cool, tough, severe)
2
sprightly(adjective, strong, energetic, enthusiastic)
2
steadfast(adjective, clear, tough, severe)
2
take-charge(adjective, strong, tough, energetic)
2
warmhearted(adjective, warm, energetic, passionate)
2
wholehearted(adjective, complete, warm, firm)
1
Siberian(adjective, cool, severe, sharp)
1
algid(adjective, cool, severe, sharp)
1
allegiant(adjective, firm, sensible, solid)
1
antsy(adjective, passionate, enthusiastic, fervent)
1
arctic(adjective, cool, severe, sharp)
1
athirst(adjective, strong, passionate, enthusiastic)
1
banzai(adjective, energetic, enthusiastic, lively)
1
below freezing(expression, adjective, cool, severe)
1
below zero(expression, adjective, cool, severe)
1
benumbed(adjective, cool, severe, sharp)
1
blasting(adjective, cool, severe, sharp)
1
bold(adjective, strong, severe, energetic)
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APASmart Define. (2016). intense thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/intense/thesaurus/synonyms
ChicagoSmart Define. 2016. "intense thesaurus" https://smartdefine.org/intense/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, intense thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/intense/thesaurus/synonyms>.
MLASmart Define. "intense thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/intense/thesaurus/synonyms>