a. Incapable of being quenched; inextinguishable; as, quenchless fire or fury. “Once kindled, quenchless evermore.” Byron. [ 1913 Webster ]

Syn. -- Inextinguishable; unquenchable. [ 1913 Webster ]

-- Quench"less*ly, adv. -- Quench"less*ness, n. [ 1913 Webster ]

v. t. [ imp. & p. p. Quenched p. pr. & vb. n. Quenching. ] [ OE. quenchen, AS. cwencan in ācwencan, to extinguish utterly, causative of cwincan, ācwincan, to decrease, disappear; cf. AS. cwīnan, ācwīnan, to waste or dwindle away. ] 1. To extinguish; to overwhelm; to make an end of; -- said of flame and fire, of things burning, and figuratively of sensations and emotions; as, to quench flame; to quench a candle; to quench thirst, love, hate, etc. [ 1913 Webster ]

Ere our blood shall quench that fire. Shak. [ 1913 Webster ]

The supposition of the lady's death
Will quench the wonder of her infamy. Shak. [ 1913 Webster ]

2. To cool suddenly, as heated steel, in tempering. [ 1913 Webster ]

Syn. -- To extinguish; still; stifle; allay; cool; check. [ 1913 Webster ]

v. i. To become extinguished; to go out; to become calm or cool. [ R. ] [ 1913 Webster ]

Dost thou think in time
She will not quench! Shak. [ 1913 Webster ]

a. Capable of being quenched. [ 1913 Webster ]

n. One who, or that which, quenches. Hammond. [ 1913 Webster ]