oppose

(verb) be against; express opposition to. Example: "We oppose the ban on abortion."

(verb) fight against or resist strongly. Synonyms: fight, fight back, fight down, defend. Examples: "The senator said he would oppose the bill." "Don't fight it!."

(verb) contrast with equal weight or force. Synonyms: counterbalance.

(verb) set into opposition or rivalry. Synonyms: pit, match, play off. Examples: "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."

(verb) act against or in opposition to. Synonyms: react. Example: "She reacts negatively to everything i say."

(verb) be resistant to. Synonyms: controvert, contradict. Example: "The board opposed his motion."