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

    in a whisper; in a low voice; in undertones

    Onomatopoeic or mimetic word

    両親が昨晩ひそひそと話をしているのを聞いた。
    I heard my parents whispering last night.
  2. in secret; stealthily

    Onomatopoeic or mimetic word

Also written ひそひそ

Pitch on OJAD