1. disagree with and attempt to prevent, especially by argument: "a majority of the electorate opposed EC membership"
▪ actively resist (a person or system): "a workers' movement opposed the regime"
▪ compete with (someone):"a candidate to oppose the leader in the presidential contest"
Word Originlate Middle English: from Old French opposer, from Latin opponere (see opponent), but influenced by Latin oppositus ‘set or placed against’ and Old French poser ‘to place’.