Which of the following two is correct?

  1. there is still room for improvement with the implemented tool
  2. there is still room for improvement of the implemented tool

I used the with alternative in my thesis, but was told to use of instead. However, the way I see it both are correct with the first one meaning "there is room for improvement concerning the tool", while the second one says "there is room for - improvement of the tool". I am simply trying to say that the tool can still be improved and am now unsure whether the sentence can be used with with.

  • Which do you think is correct, and why? Also, what is the context? More detail is needed.
    – Hank
    Dec 30, 2016 at 21:28
  • @Hank Edited the question.
    – blurry
    Dec 30, 2016 at 21:37
  • 3
    As I read these options, improvement "with" the implemented tool has the implication that the improvement would come through better or more efficient use of the tool, while improvement "of" the implemented tool states clearly that the tool can be improved to do a better or more efficient job. Dec 30, 2016 at 22:19

1 Answer 1


The first option is somewhat ambiguous; it is not obvious what exactly is to be improved - the tool itself or something else (by means of the tool). The second sentence states clearly that the tool is the object of improvement.

  • I agree: the first sounds as if you are using the tool to make an improvement in something else.
    – TrevorD
    Jan 2, 2017 at 23:14

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