For certain and Unclear

Opposite meaning terms

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

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Unclear is an antonym for for certain in certain topic.

Unclear adjective - Not expressed in precise terms.

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For certain is an antonym for unclear.

Nearby Word: uncleared

Cite this Source

Unclear and For certain. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/for_certain/unclear

For certain & Unclear. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/for_certain/unclear>.

Unclear or For certain. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/for_certain/unclear.

Google Ngram Viewer shows how "for certain" and "unclear" have occurred on timeline