Harold's unquenchable desire, the axis mundi of his existence.
She left the convent in 1997, went back to school, and later wrote a memoir about her experience, An unquenchable Thirst.
The muscle soreness soon escalated into a storm of extreme symptoms—crippling pain, flu-like weakness, unquenchable thirst.
Old English acwencan "to quench" (of fire, light), from Proto-Germanic *cwandjan, probably a causative form of root of Old English cwincan "to go out, be extinguished," Old Frisian kwinka. Related: Quenched; quenching.