Definitely
Definitely adverb - Without any question.
For certain and definitely are semantically related in certainly topic. In some cases you can use "For certain" instead an adverb "Definitely".
For certain
For certain adverb - Definitely or positively (`sure' is sometimes used informally for `surely').
Definitely and for certain are semantically related in certainly topic. You can use "Definitely" instead an adverb phrase "For certain", if it concerns topics such as accurately, without doubt.
Mutual synonyms
Related pairs
- precisely and definitely
- precisely and for certain
- truly and definitely
- truly and for certain
- absolutely and definitely
- absolutely and for certain
- sure and definitely
- sure and for certain
- positively and definitely
- positively and for certain
- indeed and definitely
- indeed and for certain
- completely and definitely
- completely and for certain
Both terms in one sentence
- Friendly Neighborhood Fangires: Genki Girl Hamuko and Good Bad Girl Haruka definitely apply, for certain literal and figurative definitions of "friendly" accordingly.
- They do lampshade this by claiming it's definitely not a foolproof method, and they only seem to believe it for certain if you have at least three of the same Pokémon (though one or two still puts you on their radar), but still.
Source: Fanfic / Pedestal - We know for certain the utterly gorgeous scenery definitely has oodles of horror just waiting to pounce, even while we're up to our eyeballs in such wonderful things as kitties and sawblade-trains, too.
Source: Lightmare Fuel
Cite this Source
For certain and Definitely. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/definitely/for_certain
Definitely & For certain. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/definitely/for_certain>.
For certain or Definitely. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/definitely/for_certain.
Google Ngram Viewer shows how "definitely" and "for certain" have occurred on timeline