oppose
verb
be against; express opposition to
“We oppose the ban on abortion”
fight against or resist strongly
“The senator said he would oppose the bill”
“Don't fight it!”
contrast with equal weight or force
Synonymscounterbalanceset into opposition or rivalry
“let them match their best athletes against ours”
“pit a chess player against the Russian champion”
act against or in opposition to
“She reacts negatively to everything I say”
Synonymsreactbe resistant to
“The board opposed his motion”
Source: WordNet 3.1, Princeton University
