Definition of unproportionateness in English:

unproportionateness

noun

rare
  • The quality or fact of not being proportionate; = "disproportionateness".

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From un- + proportionate + -ness.

Pronunciation

unproportionateness

/(ˌ)ʌnprəˈpɔːʃ(ə)nətnəs//(ˌ)ʌnprəˈpɔːʃənətnəs/