Doubtfully and Effectively

Opposite meaning words

Doubtfully adverb - With distrust.

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Effectively is an antonym for doubtfully.

Effectively adverb - In an effective manner.

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Doubtfully is an antonym for effectively in efficiently topic.

Cite this Source

Effectively and Doubtfully. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/doubtfully/effectively

Doubtfully & Effectively. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/doubtfully/effectively>.

Effectively or Doubtfully. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/doubtfully/effectively.

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