deprivation-n; 2 Senses

Sense Number 1: a state of extreme, damaging lack of basic needs

Commentary: DEPRIVATION[+state][+lack][+damaging][+need][+basic]
NOTE: refers to the resulting state of extreme need.

These orphans are suffering from serious nutritional deprivation.
Losing him has not been a great deprivation for the company.
The continuing drought has caused thousands to suffer water deprivation.

WordNet 3.0 Sense Numbers: 1, 2

Sense Number 2: the act of denying access to a basic need

Commentary: DEPRIVATION[+action][+denial][+requirement]
NOTE: refers to an actor/agent instigating a denial of a need.

The interrogators used sleep deprivation to weaken the prisoner's will.
This measure is a deprivation of personal civil liberties.
The experiment shows that subjects began to hallucinate if there is deprivation of sensory stimuli.

WordNet 3.0 Sense Numbers: 3