Definition of insatiable adjective from the Oxford Advanced American Dictionary

 

insatiable

 adjective
adjective
NAmE//ɪnˈseɪʃəbl//
 
 
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always wanting more of something; not able to be satisfied an insatiable appetite/curiosity/thirst There seems to be an insatiable demand for more powerful computers.
NAmE//ɪnˈseɪʃəbli//
 
adverb
See the Oxford Advanced Learner's Dictionary entry: insatiable