A soft, low voice, often used when speaking secretly or quietly.
彼女はささやき声で秘密を教えてくれた。
She told me the secret in a whisper.
Common kanji-kana mixed spelling.
Rare kanji spelling using the non-jōyō kanji 囁.
Compound of ささやき (whisper, from verb ささやく) + 声 (voice).