Compounds of 未聞

• 未聞
  (n) having not yet heard
• 希代未聞
  (n,adj-no) unheard-of
  unparalleled
• 前代未聞
  (n,adj-no) unheard-of
  unprecedented
  unparalleled in history (unparallelled)
  record-breaking
  (P)