Synonyms: insatiable, insatiate, unsatiable
Definition: impossible to satisfy
Usage: an insatiate appetite; an insatiable demand for old buildings to restore; his passion for work was unsatiable
Similar words: unquenchable, quenchless
Definition: impossible to quench
Usage: unquenchable thirst
Similar words: unsated, unsatiated, unsatisfied
Definition: not having been satisfied
Similar words: unsatisfiable
Definition: not capable of being satisfied
Usage: he knew the trap of unsatisfiable longing