Antonyms of adj adverse

2 senses of adverse

Sense 1
adverse, inauspicious, untoward -- (contrary to your interests or welfare; "adverse circumstances"; "made a place for themselves under the most untoward conditions")

INDIRECT (VIA unfavorable) -> favorable, favourable -- (encouraging or approving or pleasing; "a favorable reply"; "he received a favorable rating"; "listened with a favorable ear"; "made a favorable impression")

Sense 2
adverse, contrary -- (in an opposing direction; "adverse currents"; "a contrary wind")

INDIRECT (VIA unfavorable) -> favorable, favourable -- ((of winds or weather) tending to promote or facilitate; "the days were fair and the winds were favorable")

Similarity of adj adverse

2 senses of adverse

Sense 1
adverse, inauspicious, untoward -- (contrary to your interests or welfare; "adverse circumstances"; "made a place for themselves under the most untoward conditions")
       => unfavorable (vs. favorable), unfavourable -- (not encouraging or approving or pleasing; "unfavorable conditions"; "an unfavorable comparison"; "unfavorable comments", "unfavorable impression")

Sense 2
adverse, contrary -- (in an opposing direction; "adverse currents"; "a contrary wind")
       => unfavorable (vs. favorable), unfavourable -- ((of winds or weather) tending to hinder or oppose; "unfavorable winds")