inefficient Meaning in Cambridge American English Dictionary
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Meaning of "inefficient" - American English Dictionary

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 us   /ˌɪn·ɪˈfɪʃ·ənt/
wasting time, money, energy, or other valuable possessions or qualities: Many of their industries are hopelessly inefficient.
noun [U]  us   /ˌɪn·ɪˈfɪʃ·ən·si/
She promised to end government inefficiency.
adverb  us   /ˌɪn·əˈfɪʃ·ənt·li/
He uses his time inefficiently.
(Definition of inefficient from the Cambridge Academic Content Dictionary © Cambridge University Press)
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