[1] : The Collaborative International Dictionary of English v.0.48

unquenchable \unquenchable\
   see quenchable.
see also:
quenchable 

[2] : WordNet (r) 2.0

unquenchable
     adj : impossible to quench; "unquenchable thirst" syn: quenchless
see also:
quenchless 

[3] : Moby Thesaurus II by Grady Ward, 1.0

60 moby thesaurus words for "unquenchable":
   a hog for, acquisitive, all-devouring, avaricious, avid,
   bottomless, coveting, covetous, deathless, devouring, esurient,
   gluttonous, gobbling, grabby, grasping, greedy, hoggish, immortal,
   imperishable, impregnable, incorruptible, indelible,
   indestructible, ineffaceable, ineradicable, inexpugnable,
   inextinguishable, insatiable, insatiate, invincible, invulnerable,
   irrepressible, limitless, mercenary, miserly, money-hungry,
   money-mad, nonperishable, omnivorous, overgreedy, piggish,
   quenchless, rapacious, ravening, ravenous, slakeless, sordid,
   swinish, unappeasable, unappeased, undampable, undestroyable,
   undying, unsated, unsatisfiable, unsatisfied, unslakeable,
   unslaked, venal, voracious

Unquenchable >> U Words
Unquenchable, definition of term: Unquenchable
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