Definition of "opponent"
opponent
noun
plural opponents
One who opposes another; one who works or takes a position against someone or something; one who attempts to stop the progress of someone or something.
One who opposes another physically (in a fight, sport, game, or competition).
Quotations
[…] he slid his right hand down to his left, and with the full swing of the weapon struck his opponent on the left side of the head, who instantly measured his length upon the green sward.
1820, Walter Scott, “[HTTP://WWW.GUTENBERG.ORG/FILES/82/82-H/82-H.HTM CHAPTER 11]”, in Ivanhoe; a Romance. […], volumes (please specify |volume=I to III), Edinburgh: […] Archibald Constable and Co.; London: Hurst, Robinson, and Co. […]
(historical) The participant who opens an academic debate by putting forward objections to a theological or philosophical thesis.
Quotations
We make the argument appere slender, when we receiue it laughyngly, and declare by wordes, euen at the first, that it is nothyng to the purpose, and so abashe the opponent.
1551, Thomas Wilson, “The maner of confutacion twoo waies considered”, in The Rule of Reason, conteinyng the Arte of Logique, London
[…] diuinitie disputations, in all which those learned opponents, respondents, & moderators, quited themselues like themselues, sharplie and soundlie, besides all other solemne sermons & lectures.
1587, Raphael Holinshed et al., “The Continvation of the chronicles of England from the yeare of our Lord 1576, to this present yeare 1586, &c.”, in The First and Second Volumes of Chronicles, London, page 1355
[…] by the many Disputes that rise from hence, Mens Wits were confounded with their matters, Truth was lost & Brotherhood destroyed: thus the Devil acted the Part both of Opponent and Defendant, and managed the Passions of both Parties to his End, which was DISCORD.
1679, William Penn, An Address to Protestants, London, Part 2, p. 77
adjective
comparative more opponent, superlative most opponent
(obsolete) Opposing; adverse; antagonistic.
Quotations
Young Ithacus advanc’d, defies the foe,Poising his lifted lance in act to throw:The savage renders vain the wound decreed,And springs impetuous with opponent speed!
1726, Elijah Fenton, transl., The Odyssey of Homer, Translated from the Greek by Alexander Pope, London, published 1760, Volume 4, Book 19, lines 524-525, p. 44
Let it not be supposed, that by “catholic,” I mean to designate men who are lax in their principles, and alike indifferent to all religious systems. On the contrary, they are more earnestly attached to truth, and more opponent to sin than others […]
1828, Stephen Drew, Principles of Self-Knowledge, London: Longman, Volume 2, Section 23, p. 24