Adjective
1. negative
2. antagonistic, counter, perverse, destructive, pessimistic, unsupportive, backward
3. negative
4. electronegative, negative
5. dissentient, dissenting, dissident, dismissive, disinclined, unfavorable, unfavourable, bad
6. negative
7. disconfirming, minus
8. damaging
9. destructive, minus
Noun
1. disadvantageous, harmful, denial
2. film
Verb
1. photographic film, veto
1. blackball, oppose, controvert, contradict