かい
ふう

takes genitive case の, noun

  1. unopened, with an unbroken seal.

Variations

Pronunciation Kanji Kana Is Common
かい
ふう
未開封 みかいふう

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)
open, unfold, unseal
カイ ひら.く あ.く (3rd, N4)
gate, counter for cannons
モン かど と (2nd, N2)
open, initiate, begin
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
twenty, twenty or letter H radical (no. 55)
キョウ ク にじゅう (Kentei 1)
seal, closing
フウ ホウ (8th, N2)
square jewel, corner, angle
ケイ ケ か (Kentei Pre-1, N1)
soil, earth, ground
ド つち は (1st, N5)
measurement, tenth of a shaku, a little
スン す みき (6th, N1)