Main entry: unfavorable, unfavourable
Definition: (of winds or weather) tending to hinder or oppose
Usage: unfavorable winds
Antonyms: favorable, favourable
Definition: (of winds or weather) tending to promote or facilitate
Main entry: unfavorable, unfavourable
Definition: not encouraging or approving or pleasing
Usage: unfavorable conditions; an unfavorable comparison; unfavorable comments, unfavorable impression
Antonyms: favorable, favourable
Definition: encouraging or approving or pleasing
Antonyms: auspicious
Definition: auguring favorable circumstances and good luck
Main entry: unfavorable, unfavourable
Definition: not favorable
Usage: made an unfavorable impression; unfavorable reviews
Definition: that which is pleasing or valuable or useful
Antonyms: good
Definition: having desirable or positive qualities especially those suitable for a thing specified