For certain and Indefinitely

Opposite meaning terms

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

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Indefinitely is an antonym for for certain in without doubt topic.

Indefinitely adverb - To an indefinite extent; for an indefinite time.

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For certain is an antonym for indefinitely.

Nearby Words: indefinite, indefinably

Cite this Source

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

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

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

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