Definition of unnourishment in US English:

unnourishment

noun

rare
  • Lack of nourishment; a state of being unnourished.

Origin

Mid 17th century; earliest use found in John Chandler (b. c1625). From un- + nourishment, originally after post-classical Latin atrophia atrophy.

Pronunciation

unnourishment

/(ˌ)ʌnˈnʌrɪʃm(ə)nt/