dreadful vs atrocious

dreadful and atrocious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dreadful	No	Yes	No	No
atrocious	No	Yes	No	No

As adjectives, dreadful and atrocious are synonyms defined as:

Other synonyms of dreadful include abominable, awful, painful, terrible, unspeakable.

dreadful (adjective)	atrocious (adjective)
causing fear or dread or terror	provoking horror
exceptionally bad or displeasing	exceptionally bad or displeasing
extremely disagreeable and unpleasant	shockingly brutal or cruel