Dictionary:

disfavor

  (dĭs-fā'vər)

1. Unfavorable opinion or regard; disapproval.
2. The condition of being regarded with disapproval.

To view or treat with dislike or disapproval.

noun

Unfavorable opinion or judgment: disapprobation, disapproval, disesteem, displeasure. See like/dislike.

verb

To have or express an unfavorable opinion of: deprecate, disapprove, discountenance, disesteem, frown on (or upon), object. Idioms: hold no brief for, not go for, take a dim view of, take exception to. See like/dislike.

Definition: dislike; disgrace
Antonyms: approval, endorsement, favor, like

The noun has 2 meanings:

Meaning #1: the state of being out of favor
  Synonym: disfavour

Meaning #2: an inclination to withhold approval from some person or group
  Synonyms: disfavour, dislike, disapproval

The verb disfavor has one meaning:

Meaning #1: put at a disadvantage; hinder, harm
  Synonyms: disadvantage, disfavour