inefficient

From Wiktionary

Word parts[change]

in- + efficient

Pronunciation[change]

  • IPA (key): /ˌɪn.ɪˈfɪʃ.ənt/
  • (file)

Adjective[change]

Positive
inefficient

Comparative
more inefficient

Superlative
most inefficient

  1. If someone or something is inefficient, it is not efficient.
    The government is looking for the replacement of these inefficient 30-year old trains.
    John is so inefficient, Tim already completed 3 essays but he's still on his first.