Definition of unloathsome in English:

unloathsome

Pronunciation /(ˌ)ʌnˈləʊðs(ə)m/ /(ˌ)ʌnˈləʊθs(ə)m/

adjective

rare
  • That is not loathsome; pleasant, desirable.

Origin

Late Middle English; earliest use found in Promptorium Parvulorum. From un- + loathsome.