deprivation

de·pri·va·tion

noun \ˌdep-rə-ˈvā-shən, ˌdē-ˌprī-\

Definition of DEPRIVATION

: the act or process of removing or the condition resulting from removal of something normally present and usually essential for mental or physical well-being <his nervous system may have been affected by early oxygen deprivation—Jack Fincher> <sleep deprivation>