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Deprivation is a serious lack of something a person needs in order to be healthy, comfortable, or happy — sleep, food, love, a safe home, enough money. It is not “I missed a snack.” Doctors talk about sleep deprivation; news writers talk about the deprivation of poor places. Though actually, people also stretch it as a joke (“caffeine deprivation” when they have had no coffee). The real weight of the word is this: something needed is missing, and that missing thing hurts.
匱乏；較正式或醫學／新聞語也常說「剝奪」（如睡眠剝奪）
原始詞典資料3 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
deprivationnoun/ˌdɛp.ɹɪˈveɪʃən/
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The act of depriving, dispossessing, or bereaving.
- Without doubt, respondent [Darrell E.] Burch alleges a serious deprivation of liberty; yet equally clearly he alleges no violation of the Fourteenth Amendment. […] Taken together, the decisions indicate that for deprivations worked by such random and unauthorized departures from otherwise unimpugned and established state procedures the State provides the process due by making available adequate postdeprivation remedies.
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The act of depriving, dispossessing, or bereaving.
- A Roman, elected in 896 by the Roman faction in a popular tumult, to succeed Formosus. He had twice incurred a sentence of deprivation of orders, as a subdeacon and as a priest.
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The state of being deprived; lack.
- He was suffering from deprivation of sleep.
- The deprivation of anything whose possession is consistent with the nature of the Being which wants it, is a defect. But ignorance is a deprivation of something which is consistent with the nature of intelligence: it is a deprivation of knowledge.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。