Definitely
Definitely adverb - Without any question.
For sure is a synonym for definitely in certainly topic. In some cases you can use "For sure" instead the word "Definitely" as an adverb or a interjection.
For sure
For sure adverb - Definitely or positively (`sure' is sometimes used informally for `surely').
Show all Definitions
Synonyms for For sure
Definitely is a synonym for for sure in certainly topic. You can use "Definitely" instead the phrase "For sure" as an adverb or a interjection.
Mutual synonyms
Related pairs
- really and definitely
- really and for sure
- truly and definitely
- truly and for sure
- absolutely and definitely
- absolutely and for sure
- sure and definitely
- sure and for sure
- positively and definitely
- positively and for sure
- certainly and definitely
- certainly and for sure
- clearly and definitely
- clearly and for sure
Both terms in one sentence
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In the pilot episode of Californication, when Hank and Mia met in the bookstore she said this "Well, now I'm definitely, for sure, absolutely not going to sleep with you." One cut later...
Source: Gilligan Cut -
Lovecraft Helsingard, who can't resist making grand speeches about how he is definitely, absolutely, for sure this time going to kill Atomic Robo after seventy years of trying.
Source: Comicbook / Atomic Robo -
The Kirby games don't have enough dialogue to say for sure, but Meta Knight is definitely Lawful and probably Neutral — quite unusual for the setting.
Source: Lawful Neutral
Cite this Source
For sure and Definitely. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/definitely/for_sure
Definitely & For sure. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/definitely/for_sure>.
For sure or Definitely. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/definitely/for_sure.
Google Ngram Viewer shows how "definitely" and "for sure" have occurred on timeline