One that opposes another or others in a battle, contest, controversy, or debate. See Synonyms at enemy.(noun)
Acting against an antagonist or opposing force: opponent armies. (adjective)
Located in front.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "opponent" in a sentence
"Her main opponent is Jose Serra of the Brazilian Social Democratic party."
"Also, whatever forces create the conditions that allow Kohlhammer to be nominated as a candidate of any party - new or old - will also operate to require that his main opponent is also an Uptimer."
"As a team we have tried to stay focused over this break, but I think that will be a little bit easier when we know who our opponent is actually going to be and who we will be focusing on."