EntryCommon
  1. Adverb (fukushi), Adverb taking the 'to' particle, Suru verb

    sneakily; secretly; stealthily; on the sly

    Onomatopoeic or mimetic wordsee こっそり

    影でこそこそせず面と向かって彼にそれを言いたまえ。
    Say it to his face, not behind his back.

Also written コソコソ

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