Definition from Wiktionary, the free dictionary
- (countable) The act of depriving, dispossessing, or bereaving; the act of deposing or divesting of some dignity.
- (uncountable) The state of being deprived; privation; loss; want; bereavement.
- (countable) The taking away from a clergyman his benefice, or other spiritual promotion or dignity.
- (followed by “of”) lack
- He was suffering from deprivation of sleep.
Usage notes 
- Distinguish from depravation.