Id Definition

ĭd
ided, iding, ids
noun
That part of the psyche which is regarded as the reservoir of the instinctual drives and the source of psychic energy: it is dominated by the pleasure principle and irrational wishing, and its impulses are controlled through the development of the ego and superego.
Webster's New World
Identification.
Webster's New World
A card (ID card) or document, as a birth certificate, that serves to identify a person, prove one's age, etc.
Webster's New World

Alternative spelling of ide.

Wiktionary

(computing) Identifier.

Wiktionary
Synonyms:
verb
To identify.
Webster's New World
To check the identification of, especially in order to verify legal age; card.
The bouncer ID'ed everyone who looked younger than 30.
American Heritage
abbreviation
Idaho.
Webster's New World
Idaho.
Webster's New World
Identification.
Webster's New World
Inner diameter.
American Heritage
Inside diameter.
American Heritage
suffix
Body; particle.
Chromatid.
American Heritage
adjective
Of or for identification.
An ID card.
Webster's New World
affix
A thing belonging to or connected with.
Webster's New World
An animal or plant belonging to a (specified) group.
Ephemerid.
Webster's New World
Webster's New World

Other Word Forms of Id

Noun

Singular:
id
Plural:
ids

Origin of Id

  • New Latin (translation of German Es) (a special use of es it, as a psychoanalytic term) from Latin it i- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From New Latin id (“it”), chosen by Freud’s translator as a translation of his use of German Es as a noun for this concept from the pronoun es (“it”).

    From Wiktionary

  • Latin -is -id- feminine patronymic suff. from Greek

    From American Heritage Dictionary of the English Language, 5th Edition

  • Abbreviation of idem., from Latin idem (“same”)

    From Wiktionary

  • Abbreviation of identifier.

    From Wiktionary

  • From Swedish id

    From Wiktionary

Words Near Id in the Dictionary