Efficient and Ungrounded

Opposite meaning words

Efficient adjective - Producing or capable of producing a desired result.

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Ungrounded is an antonym for efficient.

Nearby Words: efficiency, efficiently, efficacy

Definitions of Efficient not found.

Efficient is an antonym for ungrounded in unconvincing topic.

Cite this Source

Ungrounded and Efficient. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/efficient/ungrounded

Efficient & Ungrounded. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/efficient/ungrounded>.

Ungrounded or Efficient. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/efficient/ungrounded.

Google Ngram Viewer shows how "efficient" and "ungrounded" have occurred on timeline