To attempt to stop the progression of (someone or something).
fight against or resist strongly; "The senator said he would oppose the bill"
be against; express opposition to; "We oppose the ban on abortion"
be resistant to; "The board opposed his motion."
place in opposition: can also be used in an abstract sense; "Oppose thy steadfast gazing eyes to mine"- Shakespeare
set into opposition or rivalry
act against or in opposition to; "She reacts negatively to everything I say"
be resistant to; "The board opposed his motion"
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"
fight against or resist strongly; "The senator said he would oppose the bill"; "Don''t fight it!"