idiot /ˈɪdiət/noun 4adjective 1forms 4phrases 2 noun4 •(disapproving) a person who acts or decides in a very stupid wayHe thought people who don't like cricket are idiots. He later got into fights with people who like football.We think that people who cycle without a helmet are idiots. •(offensive) A person of low general intelligence.Only an idiot would fail this exam.After failing a hat-trick of exams, the teacher called him an idiot. •(slang, offensive) A proponent of intelligent design.Nor does any sane or rational person believe any enzyme fell together all at once purely by chance - that is the domain of creotards, IDiots, and theoloons. — 2008 •(no longer used) A person of the lowest intellectual standing, a person who lacks the capacity to develop beyond the mental age of a normal four-year-old; a person with an IQ below 30.Idiots were thought to be peculiarly under the care of the Deity, and it was believed that those who treated them kindly would be blessed. — 1896 adjective1 •Idiotic, stupid. formsIDiots · idiots · more idiot · most idiot Phrases with idiot idiot boxTelevision. idiot mittensMittens connected by yarn or string (idiot string (Canadian English)) running through one sleeve, along the back and out at the other sleeve of a coat, to prevent the mittens becoming lost. Generally worn by small children.