Certainly and Definitely

Certainly

Certainly adverb - Without any question.
Usage example: certainly, you can come to the party
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Synonyms for Certainly

Definitely is a synonym for certainly in exclamation topic. In some cases you can use "Definitely" instead the word "Certainly" as an adverb or a interjection, when it comes to topics like conviction, completely, of course, yes. popular alternative

Nearby Words: certain, certainty

Definitely

Definitely adverb - Without any question.
Usage example: that is definitely the kind of dog we're looking to adopt

Certainly is a synonym for definitely in exclamation topic. You can use "Certainly" instead the word "Definitely" as an adverb or a interjection, if it concerns topics such as conviction, completely, of course, undeniably. popular alternative

Both words in one sentence

  • Chaotic Good Nanny Ogg is almost certainly Chaotic Good, and Granny Weatherwax also has a rather anti-authoritarian streak, while at the same time definitely being good (though she'll complain about it).
    Source: Chaotic Good
  • While it's certainly not the worst HP crossover this troper has read, this definitely does not rank well.
  • Webcomic / Kill Six Billion Demons Spikes of Villainy: Exactly how villainous the Thorn Angels really are hasn't been revealed yet (although White Chain definitely considers them evil), but their spiky armor certainly looks the part.
Cite this Source
Definitely and Certainly. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/certainly/definitely
Certainly & Definitely. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/certainly/definitely>.
Definitely or Certainly. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/certainly/definitely.
Google Ngram Viewer shows how "certainly" and "definitely" have occurred on timeline