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English definition of “inefficient”

inefficient

adjective     /ˌɪn.ɪˈfɪʃ.ənt/
C1 not organized, skilled, or able to work in a satisfactory way: Existing methods of production are expensive and inefficient. I'm hopelessly inefficient at mending things.Useless and futile inefficiently     /-li/ adverb The hotel is inefficiently run.Useless and futile inefficiency     /-ən.si/ noun [C or U] They were accused of gross inefficiency in their handling of the case.Useless and futile
(Definition of inefficient adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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