Certain and Vacillating

Opposite meaning words

Certain adjective - Having or showing a mind free from doubt.

Usage example: I'm certain that they'll arrive on time

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Vacillating is an antonym for certain.

Nearby Words: certainty, certainly

Vacillating adjective - Uncertain in purpose or action.

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Certain is an antonym for vacillating.

Cite this Source

Vacillating and Certain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certain/vacillating

Certain & Vacillating. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certain/vacillating>.

Vacillating or Certain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certain/vacillating.

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