Dullness
Dullness noun - The quality or state of lacking intelligence or quickness of mind.
Usage example: the dullness of the characters in horror movies cannot be overstated
Mental deficiency and dullness are semantically related. In some cases you can use "Mental deficiency" instead a noun "Dullness".
Mental deficiency
Mental deficiency noun - Mild mental retardation.
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Synonyms for Mental deficiency
Dullness and mental deficiency are semantically related. Sometimes you can use "Dullness" instead a noun phrase "Mental deficiency".
Mutual synonyms
Related pairs
- density and dullness
- density and mental deficiency
- thickness and dullness
- thickness and mental deficiency
- foolishness and dullness
- foolishness and mental deficiency
- stupidity and dullness
- stupidity and mental deficiency
- vacuity and dullness
- vacuity and mental deficiency
- slowness and dullness
- slowness and mental deficiency
- denseness and dullness
- denseness and mental deficiency
Cite this Source
Mental deficiency and Dullness. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/dullness/mental_deficiency
Dullness & Mental deficiency. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/dullness/mental_deficiency>.
Mental deficiency or Dullness. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/dullness/mental_deficiency.
Google Ngram Viewer shows how "dullness" and "mental deficiency" have occurred on timeline