accident-prone at fever pitch bigoted breakneck careless delirious desperate devil-may-care extravagant extreme extremist fanatic fanatical febrile feverish frantic frenetic frenzied furious haggard harum-scarum hasty headlong hectic hotheaded hurried hysteric impetuous infatuated inordinate insane irrational mad overanxious overdesirous overeager overreligious overzealous perfervid precipitant precipitate precipitous rabid reckless slap-bang slapdash ultrazealous unreasonable wanton wild wild-eyed wild-looking zealotic