definition of
shrill

[1] #1 shrill s. [sharp] having or emitting a high-pitched and sharp tone or tones ; "a shrill whistle"; "a shrill gaiety". wn

[2] #2 shrill v. [shriek, pipe up, pipe] utter a shrill cry. wn

[3] #3 shrill s. [strident] being sharply insistent on being heard; "strident demands"; "shrill criticism". wn

[4] #4 shrill s. of colors that are bright and gaudy; "a shrill turquoise". wn