Whisper verb – To make (as a piece of information) the subject of common talk without any authority or confirmation of accuracy. Sing and whisper are semantically related. Sometimes you can use "Sing" instead a verb "Whisper". Nearby Words: whispered, whispering, whisperer
In the karaoke contest in Chapter 2, Alphys and Undyne sing parodies of the songs Careless Whisper and My Heart Will Go On by George Michael and Céline Dion, respectively; in Alphys' song, she ends up referring to Undyne as mermaid Reyn.