Definition of propugn in US English:

propugn

verb

rare
  • with object To fight or contend for or on behalf of (someone or something); to defend, champion, or vindicate (an opinion, doctrine, etc.). Also occasionally without object: to fight.

Origin

Late Middle English; earliest use found in Mirour of Mans Saluacioune. From classical Latin prōpugnāre to fight in defence of a position, to defend from prō- + pugnāre to fight.

Pronunciation

propugn

/prə(ʊ)ˈpjuːn/