overeager (adj.)
- accident-prone
- breakneck
- careless
- delirious
- desperate
- devil-may-care
- fanatical
- febrile
- feverish
- frantic
- frenetic
- frenzied
- furious
- harum-scarum
- hasty
- headlong
- hectic
- hotheaded
- hurried
- hysteric
- impetuous
- infatuated
- insane
- mad
- overanxious
- overenthusiastic
- overzealous
- perfervid
- precipitant
- precipitate
- precipitous
- reckless
- slapdash
- wanton
- wild