Definition of piercingness in US English:

piercingness

noun

  • The quality of being piercing or penetrating; keenness, sharpness.

Origin

Early 17th century; earliest use found in Fulke Greville (1554–1628), courtier and author. From piercing + -ness.

Pronunciation

piercingness

/ˈpɪəsɪŋnɪs/