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"I will definitely" vs "I will certainly"

Both phrases are correct and commonly used in English. They are interchangeable and convey a similar meaning of expressing certainty or assurance. The choice between 'certainly' and 'definitely' may depend on personal preference or the desired tone of the sentence.

Last Updated: March 24, 2024

I will definitely

This phrase is correct and commonly used in English to express certainty or assurance.

This phrase is used to emphasize the speaker's confidence in a future action or statement.

Alternatives:

  • I will certainly
  • I will for sure
  • I will without a doubt
  • I will undoubtedly
  • I will surely

I will certainly

This is correct

You can use this phrase to talk about something you definitely intend on doing.

ExpertExplanation provided by a TextRanch English expert


Some examples from our editors:

  • I will certainly let you know if a position opens up.
  • I will certainly address this issue at once.

Some alternatives from our editors:

  • I will definitely
  • I will surely
  • I most certainly will

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