n. 25B6; noun
I need a drinkI'm dying of thirst : THIRSTINESS, dryness; dehydration; Medicine polydipsia; archaic drought.
his thirst for knowledge : CRAVING, desire, longing, yearning, hunger, hankering, keenness, eagerness, lust, appetite; informal yen, itch; archaic appetency.
25B6; verb she thirsted for power : CRAVE, want, covet, desire, hunger for, lust after, hanker after, have one's heart set on; wish, long.