lunatic
noun[C]
uk/ˈluː.nə.tɪk/us/ˈluː.nə.tɪk/someone whobehavesin asillyordangerousway:
疯子,癫狂的人Hedriveslike a lunatic.他开车像疯子一样。
offensiveold-fashioned
a word for apersonwho has amentalillness, which was used bydoctorsin the past but is nowoffensive
lunatic
adjective
uk/ˈluː.nə.tɪk/us/ˈluː.nə.tɪk/sillyin adangerousway
疯癫的;疯狂的Idiom
the lunatic fringe