late 14c., of fire; 1560s, of thirst, from un- (1) "not" + quench (v.) + -able. Related: Unquenchably.
unquenchable thirst
unpublished
unpunctual
unpunished
unqualified
unquantifiable
unquenchable
unquestionable
unquestioned
unquiet
unquote
unravel
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