Idiomatic.

(idiomatic, chiefly US and Canada) Television.

Partaking in idolatry; worshipping idols or false gods. / Engaging in excessive attachment or reverence; inordinately or profanely devoted.

To make an idol of, or to worship as an idol. / To adore excessively; to revere immoderately.

(mathematics) A function whose value is always the same as its independent variable, and for which the codomain equals the domain.

A person who exhibits an extraordinary ability in one subject (often mathematics) whilst being intellectually disabled in many other domains.

(complex analysis) The equation e^(i𝜋)=-1,!, which unifies diverse fields of mathematics.

(emphatic) I don't know. / Indicates that the speaker is completely ambivalent about something.

(idiomatic, plural only) Mittens 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.

(automotive, slang) Any warning light or indicator on the dashboard of a car, designed to alert the driver to problems, such as the parking brake being on or the oil being low.