favor-

(Latin: good will or support; to show kindness to; to be inclined toward good will, to befriend)

unfavorable (adjective), more unfavorable, most unfavorable
1. Exhibiting a lack of support or acquiescence: Mrs. Simpson was informed of the unfavorable news that her daughter was getting a divorce from her husband because she like him very much as a son-in-law.
2. Disposed to being adverse or unpromising: The unfavorable weather conditions led to many accidents on the roads, in addition to cars being driven much too fast.
unfavorableness
unfavorably (adverb), more unfavorably, most unfavorably
1. Descriptive of how a person expresses disapproval or lack of support: Mandy reacted quite unfavorably when asked if she could substitute for another teacher who had to take her dog for a walk!
2. Denoting how a condition or circumstance can cause adverse problems: The economic situations for many businesses have turned out unfavorably during the coronavirus pandemic.