Thirst , like hunger, is usually pretty cut and dry. You feel thirsty —usually because you've been sweating a lot or not getting enough fluids—drink water, and no longer feel thirsty . But what... The meaning of THIRST is a sensation of dryness in the mouth and throat associated with a desire for liquids; also : the bodily condition (as of dehydration) that induces this sensation. To counteract dehydration, the body first triggers the sensation of thirst , which prompts us to seek water. Simultaneously, the antidiuretic hormone (vasopressin) is released to reduce the amount of water excreted by the kidneys. Find out about excessive thirst , including what might be causing it, when to see a GP and the difference between dry mouth and excessive thirst .
