- Exhaustion from lack of food or an inability to assimilate it.
- Lack of strength or spirit.
Origin of inanition
- Middle English inanisioun emptiness from Old French inanicion exhaustion from hunger from Late Latin inānītiō inānītiōn- emptiness from inānītus past participle of inānīre to make empty from Latin inānis empty
From American Heritage Dictionary of the English Language, 5th Edition
- From Old French inanition, from Late Latin inānītio, from inānīre (“to make empty”), from inānis (“empty, vain”); see inane.