thirst

(noun) a physiological need to drink. Synonyms: thirstiness.

(noun) strong desire for something (not food or drink). Synonyms: hunger, hungriness, thirstiness. Examples: "A thirst for knowledge." "Hunger for affection."

(verb) feel the need to drink.

(verb) have a craving, appetite, or great desire for. Synonyms: crave, hunger, starve, lust.