Deficient
Deficient adjective - Lacking some necessary part.
Unfrequent and deficient are semantically related In some cases you can use "Unfrequent" instead an adjective "Deficient".
Unfrequent
Deficient and unfrequent are semantically related in exceptional topic. Sometimes you can use "Deficient" instead an adjective "Unfrequent". rare substitute
Mutual synonyms
Cite this Source
Unfrequent and Deficient. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/deficient/unfrequent
Deficient & Unfrequent. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/deficient/unfrequent>.
Unfrequent or Deficient. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/deficient/unfrequent.
Google Ngram Viewer shows how "deficient" and "unfrequent" have occurred on timeline