adjective. ['ˈwɪspɝɪŋ, ˈhwɪspɝɪŋ'] making a low continuous indistinct sound.
noun. ['ˈwɪspɝɪŋ, ˈhwɪspɝɪŋ'] speaking softly without vibration of the vocal cords.
noun. ['ˈwɪspɝɪŋ, ˈhwɪspɝɪŋ'] a light noise, like the noise of silk clothing or leaves blowing in the wind.