Inefficiently and Proficiently

Opposite meaning words

Inefficiently adverb - In an inefficient manner.

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Proficiently is an antonym for inefficiently.

Nearby Words: inefficient, inefficiency

Proficiently adverb - In a skillful or expert manner.

Usage example: an administrator who can deal with the problems quickly and proficiently

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Inefficiently is an antonym for proficiently.

Nearby Words: proficient, proficiency

Cite this Source

Proficiently and Inefficiently. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/inefficiently/proficiently

Inefficiently & Proficiently. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/inefficiently/proficiently>.

Proficiently or Inefficiently. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/inefficiently/proficiently.

Google Ngram Viewer shows how "inefficiently" and "proficiently" have occurred on timeline