Categorically and For certain

Categorically

Categorically adverb - In an unqualified manner.

For certain and categorically are semantically related. In some cases you can use "For certain" instead an adverb "Categorically".

For certain

For certain adverb - Definitely or positively (`sure' is sometimes used informally for `surely').

Categorically and for certain are semantically related. Sometimes you can use "Categorically" instead an adverb phrase "For certain".
Cite this Source
For certain and Categorically. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/categorically/for_certain
Categorically & For certain. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/categorically/for_certain>.
For certain or Categorically. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/categorically/for_certain.
Google Ngram Viewer shows how "categorically" and "for certain" have occurred on timeline