For certain
For certain adverb - Definitely or positively (`sure' is sometimes used informally for `surely').
In fact and for certain are semantically related. In some cases you can use "In fact" instead an adverb phrase "For certain".
In fact
In fact adverb - In reality or actuality.
For certain and in fact are semantically related. Sometimes you can use "For certain" instead an adverb phrase "In fact".
Mutual synonyms
Related pairs
- just and for certain
- just and in fact
- precisely and for certain
- precisely and in fact
- truly and for certain
- truly and in fact
- absolutely and for certain
- absolutely and in fact
- real and for certain
- real and in fact
- positively and for certain
- positively and in fact
- definitely and for certain
- definitely and in fact
Both terms in one sentence
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In fact, it's so powerful, it's arguably the Infinity+1 Sword for certain playstyles.
Source: Infinity1 Sword - In fact, since many of the obvious tells for favoritism aren't there, often the only way to know for certain is from Word of God.
Source: Creator's Favorite -
In fact, he wants to destroy the Earth for certain reasons.Tod: The Earth!
Cite this Source
In fact and For certain. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/for_certain/in_fact
For certain & In fact. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/for_certain/in_fact>.
In fact or For certain. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/for_certain/in_fact.
Google Ngram Viewer shows how "for certain" and "in fact" have occurred on timeline