希代未聞 | [きたいみもん, kitaimimon] (n, adj-no) unheard-of; unparalleled [Add to Longdo] |
史上空前 | [しじょうくうぜん, shijoukuuzen] (n) unprecedented in history; unheard-of; epoch-making [Add to Longdo] |
前人未発 | [ぜんじんみはつ, zenjinmihatsu] (n) unprecedented; unheard-of; never propounded (discovered, invented) by anyone before [Add to Longdo] |
前代未聞 | [ぜんだいみもん, zendaimimon] (n, adj-no) unheard-of; unprecedented; unparalleled in history (unparallelled); record-breaking; (P) [Add to Longdo] |
破天荒 | [はてんこう, hatenkou] (adj-na, n) unheard-of; unprecedented [Add to Longdo] |