Certainly and Optionally

Opposite meaning words

Certainly adverb - Without any question.

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Optionally is an antonym for certainly in unnecessarily topic.

Nearby Words: certain, certainty

Optionally adverb - In an optional manner.

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Certainly is an antonym for optionally in necessarily topic.

Nearby Words: option, optional

Cite this Source

Optionally and Certainly. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/certainly/optionally

Certainly & Optionally. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/certainly/optionally>.

Optionally or Certainly. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/certainly/optionally.

Google Ngram Viewer shows how "certainly" and "optionally" have occurred on timeline