Loud and shrill enough to hurt the ears. See Synonyms at loud.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "earsplitting" in a sentence
"The audio was even more terrifying than the imagery - earsplitting wind, objects getting smashing, wailing children and a woman praying repeatedly."
"I had been the one up nursing the baby through his earsplitting demands, gritting my teeth through the pain of what had to be another clogged milk duct, on the right side this time."
"As we went inside, we heard the earsplitting crack of lightning strike."