Certainly
Certainly adverb - Definitely or positively (`sure' is sometimes used informally for `surely').
Usage example: she certainly is a hard worker
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Synonyms for Certainly
For sure is a synonym for certainly. In some cases you can use "For sure" instead the word "Certainly" as an adverb or a interjection. popular alternative
For sure
For sure adverb - Definitely or positively (`sure' is sometimes used informally for `surely').
Usage example: it's going to be a good day for sure
Show all Definitions
Synonyms for For sure
Certainly is a synonym for for sure in definitely topic. You can use "Certainly" instead the phrase "For sure" as an adverb or a interjection. popular alternative
Mutual synonyms
Related pairs
- really and certainly
- really and for sure
- truly and certainly
- truly and for sure
- absolutely and certainly
- absolutely and for sure
- sure and certainly
- sure and for sure
- positively and certainly
- positively and for sure
- definitely and certainly
- definitely and for sure
- indeed and certainly
- indeed and for sure
Both terms in one sentence
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Certainly not the readers, that's for sure... ( Actually, he did see it coming, since his "death" was a Kansas City Shuffle to infiltrate the Cloud Village.)
Source: Didn't See That Coming -
While it can't really said for sure on the dragon clan and their breathing skills, it is certainly improbable for the other clans to be breathing like this.
Source: Super Not-Drowning Skills -
But one thing's for sure: the entire script certainly made that knife scene very sexualized.
Source: Foe Yay / Live-Action TV
Cite this Source
For sure and Certainly. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/certainly/for_sure
Certainly & For sure. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/certainly/for_sure>.
For sure or Certainly. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/certainly/for_sure.
Google Ngram Viewer shows how "certainly" and "for sure" have occurred on timeline