ID /aɪˈdiː/noun 10verb 3adjective 1forms 9 noun10 •An ident.If not done at the top of the hour, however, the station ID should come at the next possible break in the programme. — 2015 •a short form of "identification", used for a card or paper that shows who someone isShow me your ID. •Abbreviation of Idaho: a state of the United States. •Initialism of intellectual disability. •Initialism of intelligent design. •Initialism of inside diameter, inner diameter, or internal diameter. •(Internet) Initialism of image description. •Initialism of iron deficiency. •Initialism of industrial design. •Initialism of industry discount. verb3 •To identify (an object, etc.).Police have been unable to ID the body found in the river. •To request to see a person’s identification for proof of identity or age.The bartender will have to ID you before serving you a drink. •To identify (as something)I have one black grandfather, but I don't ID as mixed race adjective1 •Initialism of intellectually disabled. formsID'd · ID'ed · IDed · ID'ing · IDing · ID's · IDs · Ids · ids