febrile (adj.)
- ablaze
- afire
- ardent
- breathless
- burning
- cordial
- delirious
- drunk
- enthusiastic
- excited
- exuberant
- fanatical
- fervent
- fervid
- fevered
- feverish
- feverous
- fiery
- flaming
- flushed
- frantic
- frenetic
- frenzied
- furious
- glowing
- hearty
- heated
- hectic
- hot
- hysteric
- impassioned
- infatuated
- inflamed
- insane
- intense
- intoxicated
- keen
- lively
- overanxious
- overeager
- overenthusiastic
- overzealous
- passionate
- perfervid
- pyretic
- red-hot
- seething
- steaming
- steamy
- unrestrained
- vigorous
- warm
- wild
- zealous