oppose

(v) be against; express opposition to
- We oppose the ban on abortion
(v) fight against or resist strongly
- The senator said he would oppose the bill
- Don't fight it!
fight down, fight, fight back, defend,
(v) contrast with equal weight or force counterbalance,
(v) set into opposition or rivalry
- let them match their best athletes against ours
- pit a chess player against the Russian champion
- He plays his two children off against each other
pit, play off, match,
(v) act against or in opposition to
- She reacts negatively to everything I say
react,
(v) be resistant to
- The board opposed his motion
controvert, contradict,

fight down fight fight back defend counterbalance pit play off match react controvert contradict

opposed opposer