efficient Hear it!

efficient definition

ef·fi·cient (e fis̸h′ənt, i-)

adjective

  1. directly producing an effect or result; causative; effective the efficient cause
  2. producing a desired effect, product, etc. with a minimum of effort, expense, or waste; working well

Etymology: ME & OFr < L efficiens, prp. of efficere: see effect

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