Undoubtful and Undecided

Opposite meaning words

Definitions of Undoubtful not found.

Undecided is an antonym for undoubtful in topics: certain, confident.

Undecided adjective - Not yet settled or decided.

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Undoubtful is an antonym for undecided.

Nearby Word: undecidedly

Cite this Source

Undecided and Undoubtful. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/undoubtful/undecided

Undoubtful & Undecided. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/undoubtful/undecided>.

Undecided or Undoubtful. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/undoubtful/undecided.

Google Ngram Viewer shows how "undoubtful" and "undecided" have occurred on timeline