Definition of inefficiency in English:

inefficiency

noun

mass noun
  • The state of not achieving maximum productivity; failure to make the best use of time or resources.

    ‘the idea is to eliminate inefficiency, creating a seamless manufacturing process’
    count noun ‘the hospital had its budget cut because of past financial inefficiencies’

Pronunciation

inefficiency

/ɪnɪˈfɪʃ(ə)nt(ə)nsi/