Definition of unproportionality in US English:

unproportionality

noun

  • The quality or fact of being unproportional; disproportion.

Origin

Early 19th century; earliest use found in Jeremy Bentham (1748–1832), philosopher, jurist, and reformer. From un- + proportionality, after unproportional.

Pronunciation

unproportionality

/(ˌ)ʌnprəˌpɔːʃəˈnalɪti/