moron

noun

(informal, derogatory) A stupid person; an idiot; a fool.

(philosophy) A hypothetical particle whose existence and configuration can make a moral judgment true.

A commune in southwestern Haiti.

(psychology, dated, originally) A person of mild mental subnormality in the former classification of mental retardation, having an intelligence quotient of 50–70.

Roots

morosmoron- · Greek · foolish, dull

Synonyms for moron

idiotn imbecilen cretinn stupidadj simpletonn ignoramusn dullardn juggins

Synonyms & related words for moron

Find synonyms, related words, and the definition of moron — including idiot, imbecile, cretin, stupid, simpleton, ignoramus. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to moron

Explore words related to moron — words associated with it, words that go with it, and its nearest matches in meaning. Related words include dimwit, dolt, nitwit, nincompoop, halfwit, moronic, cretinous, retard. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for moron

Common synonyms for moron include idiot, imbecile, cretin, stupid, simpleton, ignoramus, dullard, juggins — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does moron come from?

The word moron breaks down into one root of Greek origin: the root moron-, from Greek moros (“foolish, dull”). Explore each root to see other English words built from the same source.