Efficiently and Questionably

Opposite meaning words

Efficiently adverb - With efficiency; in an efficient manner.

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Nearby Words: efficient, efficiency

Questionably adverb - In a questionable and dubious manner.

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Efficiently is an antonym for questionably.

Cite this Source

Questionably and Efficiently. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/efficiently/questionably

Efficiently & Questionably. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/efficiently/questionably>.

Questionably or Efficiently. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/efficiently/questionably.

Google Ngram Viewer shows how "efficiently" and "questionably" have occurred on timeline