A picture of a person, reconstructed from strips showing facial features selected to match witnesses' descriptions; used by the police to build a likeness of a person sought for a crime.

(informal, chiefly derogatory) Indistinguishable from each other; mass-produced or mass-marketed.

In a civilian aircraft: a transponder that responds by sending a code identifying itself.

(informal) A board held off camera during a live television broadcast to prompt the presenter.

The deliberate assumption of another person's identity, usually to gain access to that person's finances or to frame a person for a crime.

Of or pertaining to idylls. / Extremely happy, peaceful, or picturesque.

An idyllic state or situation. (A substantive use of the adjective)

Leet spelling of idiot used humorously to refer to computer errors (pronounced ID ten T) to indicate that the error is the result of the user's stupidity.

A city in Georgia, United States. / An unincorporated community in Illinois. / An unincorporated community in South Dakota.

(linear algebra) A diagonal matrix all of the diagonal elements of which are equal to 1.