vicious vs barbarous

vicious and barbarous both are adjectives.

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

As adjectives, vicious and barbarous are synonyms defined as:

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

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

vicious (adjective)	barbarous (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
marked by deep ill will; deliberately harmful	primitive in customs and culture
having the nature of vice
bringing or deserving severe rebuke or censure