Slurs related to low intelligence

thumb|The Idiot by Evert Larock (1892)

Mongoloid () is an obsolete racial grouping of various peoples indigenous to large parts of Asia, the Americas, and some regions in Europe and Oceania. The term is derived from a now-disproven theory of biological race. In the past, other terms such as "Mongolian race", "yellow", "Asiatic" and "Oriental" have been used as synonyms.

The term imbecile was once used by psychiatrists to denote a category of people with moderate to severe intellectual disability, as well as a type of criminal. The word arises from the Latin word imbecillus, meaning weak, or weak-minded. It originally referred to people of the second order in a former and discarded classification of intellectual disability, with a mental age of three to seven years and an IQ of 25–50, above "idiot" (IQ below 25) and below "moron" (IQ of 51–70). In the obsolete medical classification (ICD-9, 1977), these people were said to have "moderate mental retardation" or

term once used in psychiatry to denote mild intellectual disability

social role or stock character; person locally known for ignorance, silliness, or mental disability

pejorative term in the Japanese language

outdated and offensive term for Down syndrome

Schlemiel (; sometimes spelled shlemiel) is a Yiddish term meaning "inept/incompetent person" or "fool". It is a common archetype in Ashkenazi Jewish humor, and so-called "schlemiel jokes" depict the schlemiel falling into unfortunate situations.

thumb | right | alt=alt=Refer to caption | The Ship of Fools by Hieronymus Bosch, between 1488 and 1510. __NOTOC__ In folklore, a simpleton is a person whose foolish actions are the subject of often-repeated stories. Simpletons are also known as noodles or fools. Folklore often holds, with no basis in fact, that certain towns or countries are thought to be home to large numbers of simpletons. The ancient Greeks told tales of stupid populations in Abdera and other cities; in Germany, burgher of Schilda are conspicuous in these stories; in Spain hundreds of jokes exist about the supposed foolish

The term feeble-minded was used from the late 19th century in Europe, the United States, and Australasia for disorders later referred to as illnesses, deficiencies of the mind, and disabilities.

pejorative slur for one with a mental disability

pejorative term meaning one who is stupid or foolish

Dunce is a mild insult in English meaning "a person who is slow at learning or stupid". The etymology given by Richard Stanyhurst is that the word is derived from the name of the Scottish scholastic theologian and philosopher John Duns Scotus.