What does 密か mean?
密か is a Japanese noun meaning “secret, private, surreptitious” in English. It is written as 密か in kanji, ひそか in hiragana, and hisoka in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
彼はひそかにあなたの財産を狙っていますよ。
He has designs on your property.