2lunatic adjective
always used before a noun 1 a old-fashioned + sometimes offensive : designed for insane people
▪ a lunatic asylum
b : not sane
▪ a lunatic [=crazy] genius 2 : wildly foolish
▪ He hatched a lunatic plot to overthrow the government. ▪ another of his lunatic ideas ▪ lunatic behavior ▪ a lunatic risk
▪ a lunatic asylum
b : not sane
▪ a lunatic [=crazy] genius
▪ He hatched a lunatic plot to overthrow the government. ▪ another of his lunatic ideas ▪ lunatic behavior ▪ a lunatic risk
