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 retardation and dullness are semantically related. In some cases you can use "Mental retardation" instead a noun "Dullness".
Mental retardation
Mental retardation noun - Lack of normal development of intellectual capacities.
Show all Definitions
Synonyms for Mental retardation
Dullness and mental retardation are semantically related. Sometimes you can use "Dullness" instead a noun phrase "Mental retardation".
Mutual synonyms
Related pairs
- density and dullness
- density and mental retardation
- thickness and dullness
- thickness and mental retardation
- foolishness and dullness
- foolishness and mental retardation
- stupidity and dullness
- stupidity and mental retardation
- vacuity and dullness
- vacuity and mental retardation
- slowness and dullness
- slowness and mental retardation
- denseness and dullness
- denseness and mental retardation
Cite this Source
Mental retardation and Dullness. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/dullness/mental_retardation
Dullness & Mental retardation. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/dullness/mental_retardation>.
Mental retardation or Dullness. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/dullness/mental_retardation.
Google Ngram Viewer shows how "dullness" and "mental retardation" have occurred on timeline