Definition of insatiable adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ɪnˈseɪʃəbl//
; NAmE 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. There’s an apparently insatiable demand for this kind of programme. The public seems to have an insatiable appetite for celebrity news. Word Originlate Middle English: from Old French insaciable or Latin insatiabilis, from in- ‘not’ + satiare ‘fill, satisfy’, from satis ‘enough’.
See the Oxford Advanced American Dictionary entry: insatiable