Doubtfully and Sincerely

Opposite meaning words

Doubtfully adverb - With distrust.

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Sincerely is an antonym for doubtfully.

Sincerely adverb - Without any attempt to impress by deception or exaggeration.

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Doubtfully is an antonym for sincerely in seriously topic.

Nearby Words: sincere, sincerity

Cite this Source

Sincerely and Doubtfully. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/doubtfully/sincerely

Doubtfully & Sincerely. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/doubtfully/sincerely>.

Sincerely or Doubtfully. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/doubtfully/sincerely.

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