unholy vs wicked

unholy and wicked both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unholy	No	Yes	No	No
wicked	No	Yes	No	No

As adjectives, unholy and wicked are synonyms defined as:

Other synonyms of unholy include sinful.

unholy (adjective)	wicked (adjective)
not hallowed or consecrated	morally bad in principle or practice
extremely evil or cruel; expressive of cruelty or befitting hell	intensely or extremely bad or unpleasant in degree or quality
having committed unrighteous acts	highly offensive; arousing aversion or disgust
	naughtily or annoyingly playful
	having committed unrighteous acts