noun, adjectival noun or quasi-adjective, takes genitive case の

  1. secret, secrecy, confidentiality, privacy.

noun

  1. mystery.
  2. secret (e.g. to success).
  3. Buddhist term.esoteric teachings.

Variations

Pronunciation Kanji Kana Is Common
秘密 ひみつ

Contained Kanji Breakdown

secret, conceal
ヒ ひ.める ひそ.か (6th, N1)
two-branch tree radical (no. 115)
カ いね (Kentei Pre-1)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
tree, wood
き モク こ- (1st, N5)
invariably, certain, inevitable
ヒツ かなら.ず (4th, N3)
heart, mind, spirit
こころ シン (2nd, N4)
secrecy, density (pop), minuteness
ミツ ひそ.か (6th, N1)
quiet, silent, in good health
ミチ フク ヒツ
shaped crown, katakana u radical (no. 40)
ベン メン (Kentei 1)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
wa-shaped crown radical (no. 14)
ベキ (Kentei 1)
invariably, certain, inevitable
ヒツ かなら.ず (4th, N3)
heart, mind, spirit
こころ シン (2nd, N4)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
mountain
やま サン セン (1st, N5)