un appeasable (adjective) unappeasable: voracious
Sinonime: avid,
covetous, devouring, dog-hungry, edacious,
empty, gluttonous, gorging, grasping,
greedy,
gross*,
insatiable, omnivorous, piggy,
prodigious,
rapacious, ravening,
ravenous, sating,
starved, starved to death, starving,
uncontrolled, unquenchable