barbarous vs vicious

barbarous and vicious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
barbarous	No	Yes	No	No
vicious	No	Yes	No	No

As adjectives, barbarous and vicious are synonyms defined as:

barbarous and vicious: (of persons or their actions) able or disposed to inflict pain or suffering

Other synonyms of barbarous include brutal, cruel, fell, roughshod, savage.

barbarous (adjective)	vicious (adjective)
(of persons or their actions) able or disposed to inflict pain or suffering	(of persons or their actions) able or disposed to inflict pain or suffering
primitive in customs and culture	marked by deep ill will; deliberately harmful
	having the nature of vice
	bringing or deserving severe rebuke or censure