For certain and Obscure

Opposite meaning terms

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

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Obscure is an antonym for for certain in certain topic.

Obscure adjective - Having an often intentionally veiled or uncertain meaning.

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For certain is an antonym for obscure.

Cite this Source

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

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

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

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