Answer: shrill

AnswerCrossword Clue
SHRILLStrident.
shrillto utter a high-pitched sound / having a high-pitched piercing quality
shrillhigh-pitched and piercing
SHRILLHigh-pitched and piercing
SHRILLPiercing in tone
SHRILLPiercing, as a sound
SHRILLLike high-pitched tones
SHRILLLike the sound of a siren
SHRILLLike the sound of a teakettle
SHRILLStrident
SHRILLLike a calliope
SHRILLPenetrating.
SHRILLPiercing.
SHRILLKeen.
SHRILLLike a katydid's song
SHRILLHigh-pitched.
SHRILLAnnoyingly high-pitched
SHRILLUnpleasantly penetrating
SHRILLLike some bird calls
SHRILLScreechy
SHRILLPiercing
SHRILLHigh-pitched
SHRILLLike an ear-piercing sound
SHRILLLike a rebel yell
SHRILLHigh in an annoying way
SHRILLLike many whistles
SHRILLIrritatingly high-pitched
SHRILLLike a cicada's song