unfavorable vs adverse

unfavorable and adverse both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unfavorable	No	Yes	No	No
adverse	No	Yes	No	No

unfavorable (adjective)	adverse (adjective)
(of winds or weather) tending to hinder or oppose	in an opposing direction
not encouraging or approving or pleasing	contrary to your interests or welfare
involving or creating circumstances detrimental to success or effectiveness