Inefficient

Pronunciation: /ˌɪnɪˈfɪʃənt/

Inefficient (adjective)

  1. Not using time, energy, or resources well, causing waste.
  2. Not achieving desired results due to poor use of resources.

Examples

  • The old heating system is inefficient and costly.
  • An inefficient process can lead to delays.

Common collocations: inefficient method, inefficient system, waste energy, inefficient worker, inefficient performance

Synonyms of Inefficient

Formal

Neutral

Informal

Antonyms of Inefficient

  • describing processes or actions