Definition of unproportionable in English:

unproportionable

Pronunciation /(ˌ)ʌnprəˈpɔːʃ(ə)nəbl/

adjective

rare
  • Not proportionable; out of proportion; disproportionate.

    Common in the 17th century.

Origin

Late 16th century; earliest use found in Thomas Twyne (1543–1613), physician. From un- + proportionable.