unfavourable vs uncomplimentary

unfavourable and uncomplimentary both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unfavourable	No	Yes	No	No
uncomplimentary	No	Yes	No	No

unfavourable (adjective)	uncomplimentary (adjective)
(of winds or weather) tending to hinder or oppose	tending to (or intended to) detract or disparage
not encouraging or approving or pleasing	showing or representing unfavorably
involving or creating circumstances detrimental to success or effectiveness