earsplitting vs deafening

earsplitting and deafening both are adjectives.

Word	Noun	Adjective	Verb	Adverb
earsplitting	No	Yes	No	No
deafening	No	Yes	No	No

As adjectives, earsplitting and deafening are synonyms defined as:

earsplitting and deafening: loud enough to cause (temporary) hearing loss

Other synonyms of earsplitting include thunderous, thundery.

earsplitting (adjective)	deafening (adjective)
loud enough to cause (temporary) hearing loss	loud enough to cause (temporary) hearing loss