takes genitive case の, noun

  1. unprecedented, unheard-of, record-breaking.

Variations

Pronunciation Kanji Kana Is Common
未曾有 みぞう
未曽有 みぞう

Contained Kanji Breakdown

un-, not yet, hitherto
ミ いま.だ ビ (4th, N3)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
tree, wood
き モク こ- (1st, N5)
once, before, formerly
ソ ソウ かつ.て (Kentei 1)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)
day, sun, Japan
ひ にっ ニチ (1st, N5)
possess, have, exist
ユウ あり あ.る (3rd, N4)
left hand, cliff(厂) variant
month, moon
つき ゲツ ガツ (1st, N5)