Dullness
Dullness noun - The quality or state of lacking intelligence or quickness of mind.
Inefficiency and dullness are semantically related. In some cases you can use "Inefficiency" instead a noun "Dullness".
Inefficiency
Inefficiency noun - Unskillfulness resulting from a lack of efficiency.
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Synonyms for Inefficiency
Dullness and inefficiency are semantically related. Sometimes you can use "Dullness" instead a noun "Inefficiency".
Nearby Words: inefficient, inefficiently
Mutual synonyms
Cite this Source
Inefficiency and Dullness. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/dullness/inefficiency
Dullness & Inefficiency. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/dullness/inefficiency>.
Inefficiency or Dullness. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/dullness/inefficiency.
Google Ngram Viewer shows how "dullness" and "inefficiency" have occurred on timeline