THESAURUS
unslakeable
a hog for, acquisitive, all-devouring, avaricious, avid, bottomless, coveting, covetous, devouring, esurient, gluttonous, gobbling, grabby, grasping, greedy, hoggish, insatiable, insatiate, limitless, mercenary, miserly, money-hungry, money-mad, omnivorous, overgreedy, piggish, quenchless, rapacious, ravening, ravenous, slakeless, sordid, swinish, unappeasable, unappeased, unquenchable, unsated, unsatisfied, unslaked, venal, voracious