Adjective
Deafening; disagreeably loud or shrill; as, ear-splitting strains.
Source: Webster's dictionaryIt is an Orwellian scene: helmeted riot police bracing themselves at New Haven's Main Street in front of plywood-protected shops, holding two ear-splitting portable machines ready to project "pepper smoke" — science's last word. Source: Internet
It’s supposed to be undetectable to humans, but I find it ear-splitting. Source: Internet