Thirst
Part of speech: verb
Definition: To desire. To be thirsty.
Part of speech: noun
Definition: A sensation of dryness in the throat associated with a craving for liquids, produced by deprivation of drink, or by some other cause (as fear, excitement, etc.) which arrests the secretion of the pharyngeal mucous membrane; hence, the condition producing this sensation. A want and eager desire after anything; a craving or longing; — usually with for, of, or after; as, the thirst for gold.
Example sentence: The secret to being successful from a trading perspective is to have an indefatigable and an undying and unquenchable thirst for information and knowledge.
Hunger
Part of speech: noun
Definition: A need or compelling desire of food.Any strong desire.
Part of speech: verb
Definition: To be in need of food.To have a desire for.
Example sentence: Close to a billion people - one-eighth of the world's population - still live in hunger. Each year 2 million children die through malnutrition. This is happening at a time when doctors in Britain are warning of the spread of obesity. We are eating too much while others starve.