hunger
noun
a physiological need for food; the consequence of food deprivation
Synonymshungrinessstrong desire for something (not food or drink)
“a thirst for knowledge”
“hunger for affection”
verb
feel the need to eat
have a craving, appetite, or great desire for
be hungry; go without food
“Let's eat--I'm starving!”
Source: WordNet 3.1, Princeton University
