Deficient and Textbook

Opposite meaning words

Deficient adjective - Lacking some necessary part.

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Textbook is an antonym for deficient.

Nearby Words: deficiency, deficit, deficiently

Textbook adjective - Constituting, serving as, or worthy of being a pattern to be imitated.

Usage example: a textbook example of a film that captures the feel of the novel on which it is based

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Deficient is an antonym for textbook.

Cite this Source

Textbook and Deficient. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/deficient/textbook

Deficient & Textbook. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/deficient/textbook>.

Textbook or Deficient. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/deficient/textbook.

Google Ngram Viewer shows how "deficient" and "textbook" have occurred on timeline