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English definition of “wasteful”

wasteful

adjective     /ˈweɪst.fəl/ disapproving
using something in a careless way and causing some of it to be wasted: It's wasteful the way you throw so much food away!Wasting wastefully     /-i/ adverb disapproving
(Definition of wasteful adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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