Doubtfully and Unquestionably

Opposite meaning words

Doubtfully adverb - With distrust.

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Unquestionably is an antonym for doubtfully.

Unquestionably adverb - Without any question.

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Doubtfully is an antonym for unquestionably in without a doubt topic.

Cite this Source

Unquestionably and Doubtfully. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/doubtfully/unquestionably

Doubtfully & Unquestionably. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/doubtfully/unquestionably>.

Unquestionably or Doubtfully. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/doubtfully/unquestionably.

Google Ngram Viewer shows how "doubtfully" and "unquestionably" have occurred on timeline