abysmally vs atrociously

abysmally and atrociously both are adverbs.

Word	Noun	Adjective	Verb	Adverb
abysmally	No	No	No	Yes
atrociously	No	No	No	Yes

As adverbs, abysmally and atrociously are synonyms defined as:

Other synonyms of abysmally include abominably, awfully, rottenly, terribly.

abysmally (adverb)	atrociously (adverb)
in a terrible manner	in a terrible manner
	to an extravagant or immoderate degree