(noun) a physiological need for food; the consequence of food deprivation. Synonyms: hunger.
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Noun Definition 1
(noun) prolonged unfulfilled desire or need. Synonyms: longing, yearning.
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Noun Definition 2
(noun) strong desire for something (not food or drink). Synonyms: hunger, thirst, thirstiness. Examples: "A thirst for knowledge." "Hunger for affection."