秘ひひ○Freq.FrequencyTop 10,000じ字FuriganaAudioMeanings1nounsecret; mysteryrare termRare standalone noun; mostly encountered in fixed expressions like 秘中の秘 (secret of secrets).See also: 秘中の秘「秘ひ中ちゅうの秘ひ」という表ひょう現げんで使つかわれることがある。Break this sentence down in the analyzerIt is sometimes used in the expression 秘中の秘 (secret of secrets).See all 22 example sentences ›Expressions秘ひ中ちゅうの秘ひtop secret; most confidential悔かい悛しゅんの秘ひ跡せきsacrament of penance and reconciliation終しゅう油ゆの秘ひ蹟せきextreme unction; anointing of the sickゆるしの秘ひ跡せきSacrament of Penance and Reconciliation