Shrill (?), a. [Compar.Shriller (?); superl.Shrillest.] [OE. shril, schril; akin to LG. schrell, G. schrill. See Shrill,v. i.] Acute; sharp; piercing; having or emitting a sharp, piercing tone or sound; — said of a sound, or of that which produces a sound.
Hear the shrill whistle which doth order give
To sounds confused. Shak.
Let winds be shrill, let waves roll high. Byron.