Meaning of the word inefficient in English

What does inefficient mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

inefficient

US /ˌɪn.ɪˈfɪʃ.ənt/
UK /ˌɪn.ɪˈfɪʃ.ənt/
"inefficient" picture

Adjective

not achieving maximum productivity; wasting time or energy

Example:
The old machine was very inefficient and used too much power.
Their customer service is notoriously inefficient.