The meaning of IDIOT is a foolish or stupid person. How to use idiot in a sentence.

In 19th- and early 20th-century medicine and psychology, an "idiot" was a person with a very profound intellectual disability, being diagnosed with "idiocy". In the early 1900s, Dr. Henry H. …

See examples of IDIOT used in a sentence.

IDIOT definition: 1. a stupid person or someone who is behaving in a stupid way: 2. a stupid person or someone who…. Learn more.

Synonyms for IDIOT: moron, stupid, dummy, lunatic, prat, loser, imbecile, fool; Antonyms of IDIOT: genius, brain, intellect, thinker, sage, intellectual, wizard, whiz

The word idiot originated in the 1300s, from the Old French word idiote, which meant "person so mentally deficient as to be incapable of ordinary reasoning." Today, though, idiot describes …

If you call someone an idiot, you are showing that you think they are very stupid or have done something very stupid. I knew I'd been an idiot to stay there. Idiot means stupid. In the past, …

There are eight meanings listed in OED's entry for the word idiot, two of which are labelled obsolete, and three of which are considered offensive and derogatory. See ‘Meaning & use’ for …

Don't be such an idiot! I really made an idiot of myself [=I acted very stupidly] at the party last night. Some idiot [= fool] of a driver kept trying to pass me! My behavior last night was idiotic.

Mar 1, 2025 · From Ancient Greek ἰδιώτης (idiṓtēs, “a private citizen, one who has no professional knowledge, layman”), from ἴδιος (ídios, “one's own, pertaining to oneself, private”).