n.1. Unfavorable opinion or regard; disapproval: a method that researchers have come to view with disfavor.
2. The condition of being regarded with disapproval: an idea that has fallen into disfavor.
tr.v. dis·fa·vored,
dis·fa·vor·ing,
dis·fa·vors 1. To view or treat with dislike or disapproval.
2. To slow down or otherwise reduce the success of (a chemical process or pathway): conditions that disfavor the growth of a pathogen.