Mentally deficient
Silly and mentally deficient are semantically related. In some cases you can use "Silly" instead an adjective phrase "Mentally deficient".
Silly
Silly adjective - Lacking in seriousness or maturity.
Mentally deficient and silly are semantically related. Sometimes you can use "Mentally deficient" instead an adjective "Silly".
Nearby Word: silliness
Mutual synonyms
Related pairs
- simple and mentally deficient
- simple and silly
- stupid and mentally deficient
- stupid and silly
- foolish and mentally deficient
- foolish and silly
- imbecile and mentally deficient
- imbecile and silly
- senseless and mentally deficient
- senseless and silly
- unintelligent and mentally deficient
- unintelligent and silly
- pointless and mentally deficient
- pointless and silly
Cite this Source
Silly and Mentally deficient. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/mentally_deficient/silly
Mentally deficient & Silly. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/mentally_deficient/silly>.
Silly or Mentally deficient. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/mentally_deficient/silly.
Google Ngram Viewer shows how "mentally deficient" and "silly" have occurred on timeline