shrillness

Noun shrillness has 2 senses

• shrillness(n = noun.attribute) - the quality of being sharp or harsh to the senses; "the shrillness of her hair color"
is a kind of interest, interestingness
Derived form adjective shrill₃

• shrillness(n = noun.attribute) stridence, stridency - having the timbre of a loud high-pitched sound;
is a kind of quality, timber, timbre, tone
Derived form adjective shrill₁