thunderous vs earsplitting

thunderous and earsplitting both are adjectives.

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

As adjectives, thunderous and earsplitting are synonyms defined as:

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

Other synonyms of thunderous include deafening, thundery.

thunderous (adjective)	earsplitting (adjective)
loud enough to cause (temporary) hearing loss	loud enough to cause (temporary) hearing loss
extremely ominous