Unfavorably Synonyms and Antonyms

Showing disapproval; in a disparaging way
(Adverb)
Synonyms:
  1. unfavourably
  2. unpromisingly
Antonyms:
  1. favorably
Synonyms:
(Adjective)
  1. adversely
  2. negatively
  3. opposingly
  4. oppositely
  5. conflictingly
  6. antagonistically
  7. obstructively
  8. malignantly
  9. counteractively
  10. contrarily
  11. untowardly
  12. as a deterrent
  13. in opposition to
  14. in the negative
  15. on-the-contrary
  16. by contraries
  17. by blackballing
  18. by turning thumbs down
  19. giving the red light to