Undoubtful and Weak

Opposite meaning words

Definitions of Undoubtful not found.

Weak is an antonym for undoubtful in certain topic.

Weak adjective - Lacking bodily strength.

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Undoubtful is an antonym for weak.

Nearby Words: weaken, weakness, weakly, weakening, weakling

Cite this Source

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

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

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

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