Definition of unproportion in US English:

unproportion

noun

rare
  • Lack of proportion; = "disproportion".

Origin

Early 17th century; earliest use found in Lancelot Andrewes (1555–1626), bishop of Winchester. From un- + proportion.

Pronunciation

unproportion

/(ˌ)ʌnprəˈpɔːʃn/