oppugner

oppugn +‎ -er.

• (UK) IPA^(key): /əˈpjuːnə/

oppugner (plural oppugners)

1. Someone who oppugns; an opponent.
   • 1621, Democritus Junior [pseudonym; Robert Burton], “Of the Will”, in The Anatomy of Melancholy, […], Oxford, Oxfordshire: Printed by John Lichfield and Iames Short, for Henry Cripps, →OCLC, partition 1, section 1, member 2, subsection 11, page 44:

     Revenge and Malice were as two violent oppugners on the one ſide, but Honeſty, Religion, Feare of God, with-held him on the other.

   • 1833, Elia [pseudonym; Charles Lamb], “[Popular Fallacies.] VIII. That Verbal Allusions Are Not Wit, Because They Will Not Bear a Translation.”, in The Last Essays of Elia. […], London: Edward Moxon, […], →OCLC, pages 239–240:

     Dennis, the fiercest oppugner of puns in ancient or modern times, professes himself highly tickled with the “a stick” chiming to “ecclesiastic”.

oppugner

1. first-person singular present passive subjunctive of oppugnō