Efficient And Effective | Differences

If somebody or something is efficient, he/she/it is able to perform duties well.

  • He is very efficient: he knows how to get things done.
  • The telephone system is far more efficient than the postal service.

If something is effective, it has the desired effect.

  • I still have that headache. I think those tablets weren’t very effective. (NOT Those tablets weren’t very efficient.)
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Manjusha Nambiar

Hi, I am Manjusha. This is my blog where I give English grammar lessons and worksheets.

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