IPA: /ˈpaɪpɪŋli/
KK: /ˈpaɪpɪŋli/
In a way that produces a high-pitched sound, often resembling a whistle or a chirp.
The birds were singing pipingly in the early morning.
Pipingly → The word is derived from "pipe" (from Old English *pipian*, meaning to make a sound like a pipe) and the suffix "-ly" (meaning in a manner of). Thus, "pipingly" means in a manner that resembles the sound of a pipe.
Think of the sound made by a pipe — that's what 'pipingly' describes, as it means to do something in a way that resembles that sound.