Insatiable
/ˌɪˈnseɪʃəbəl/
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Definition
(adj) Not satiable; incapable of being satisfied or appeased; very greedy.
Sentence Examples
Tom has an insatiable appetite.
Dan had an insatiable appetite towards violence.
CEFR Practice Quiz
The young boy had an ____ appetite and was hungry again just an hour after eating a very large lunch.