unfavourable

adjectives

not encouraging or approving or pleasing
"unfavorable conditions"; "an unfavorable comparison"; "unfavorable comments", "unfavorable impression"
unfavorable, unfavourable
is derived from
unfavourableness
(of winds or weather) tending to hinder or oppose
"unfavorable winds"
unfavorable, unfavourable
not favorable
"made an unfavorable impression"; "unfavorable reviews"
unfavorable, unfavourable
is derived from
unfavourableness