Describing a sound as resembling a screech, or given to screeching.(adjective)
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Use "screechy" in a sentence
"Sciencebloggers were complaining about his general lack of substance and about his cult of personality amen chorus of adherents whom were dubbed the screechy monkeys."
"Which I think sometimes comes off as kind of screechy, but other times can be very soothing."
"Last year, people moaned and complained week after week that Carly was "screechy" ..."