SHRILLEST
Adjective
shrillest
superlative form of shrill: most shrill
Source: Wiktionary
SHRILL
Shrill, a. [Compar. Shriller; superl. Shrillest.] Etym: [OE. shril,
schril; akin to LG. schrell, G. schrill. See Shrill,v. i.]
Definition: Acute; sharp; piercing; having or emitting a sharp, piercing
tone or sound; -- said 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.
Shrill, n.
Definition: A shrill sound. [Obs.] Spenser.
Shrill, v. i. [imp. & p. p. Shrilled; p. pr. & vb. n. Shrilling.]
Etym: [OE. schrillen, akin to G. schrillen; cf. AS. scralletan to
resound loudly, Icel. skrölta to jolt, Sw. skrälla to shrill, Norw.
skryla, skr. Cf. Skirl.]
Definition: To utter an acute, piercing sound; to sound with a sharp,
shrill tone; to become shrill.
Break we our pipes, that shrilledloud as lark. Spenser.
No sounds were heard but of the shrilling cock. Goldsmith.
His voice shrilled with passion. L. Wallace.
Shrill, v. t.
Definition: To utter or express in a shrill tone; to cause to make a shrill
sound.
How poor Andromache shrills her dolors forth. Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition