screechy

It was a time of screechy dial-up internet and flip phones, when investors were throwing funds at any start-up with “dot com” in its name.
My company stock options are worthless|Karla Miller|August 4, 2022|Washington Post
Its topics are the predictable pop-culture bellwethers of the day, reheated into screechy mush.
Don’t Remember Barbara Walters for ‘The View’|Tim Teeman|April 8, 2014|DAILY BEAST
Once again, Pharoah hammers down every screechy, scratchy vocal tic while doing a Rock-sian riff on Romeo and Juliet.
Barack Obama and Jay Pharoah’s 7 Best Celebrity Impressions (VIDEO)|Kevin Fallon|September 14, 2012|DAILY BEAST
Flo was not just mediocre: she was catastrophically tragic, tone-deaf, screechy and, as Randy Jackson would say, “pitchy, dawg!”
Dead Cool: Florence Foster Jenkins|Simon Doonan|July 10, 2010|DAILY BEAST

I begged, and told him I was only Huck; but he laughed such a screechy laugh, and roared and cussed, and kept on chasing me up.
Adventures of Huckleberry Finn, Complete|Mark Twain (Samuel Clemens)
Her voice is so high and screechy, it cuts your ears; she does not want for wit, and expresses herself well.
History of Friedrich II. of Prussia, Vol. XIII. (of XXI.)|Thomas Carlyle
The priests stopped before us and their leader began a long harangue in a screechy voice which set my nerves on edge.
The Infra-Medians|Sewell Peaslee Wright
Now a woman's voice rose from amid this gaping and chattering crowd,—the sharp and screechy voice of an angry woman.
The Delight Makers|Adolf Bandelier
What she spoke of was a thing that turned, and made a screechy noise.
Walter Pieterse|Multatuli

British Dictionary definitions for screechy

screechy

/ (ˈskriːtʃɪ) /

adjective -ier or -iest

loud and shrill

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012