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1

id

play
noun \ˈid\

Simple Definition of id

  • psychology : a part of a person's unconscious mind that relates to basic needs and desires

Source: Merriam-Webster's Learner's Dictionary

Full Definition of id

  1. :  the one of the three divisions of the psyche in psychoanalytic theory that is completely unconscious and is the source of psychic energy derived from instinctual needs and drives — compare ego, superego

Origin and Etymology of id

New Latin, from Latin, it


First Known Use: 1924


2

id

abbreviation

Definition of id

  1. idem



Rhymes with id


1

ID

play
noun \ˈī-ˈdē\

Simple Definition of ID

  • : to find out the identity of (someone or something)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of ID

plural

ID's

or

IDs

  1. :  a document (as a card) bearing identifying information about and often a photograph of the individual whose name appears on it —called also ID card, identification card, identity card

Examples of id in a sentence

  1. The police have not yet ID'd the victim.

  2. <studies that show that eyewitnesses are surprisingly unreliable when called upon to ID the perpetrators of crimes>



1941

First Known Use of id

1941


2

ID

play
verb \ˈī-ˈdē\

Definition of ID

ID'd

or

IDed

ID'ing

or

IDing

  1. transitive verb
  2. :  identify <ID'd the thief>




3

ID

abbreviation

Definition of ID

  1. 1 Idaho

  2. 2 identification

  3. 3 independent distributor

  4. 4 industrial design

  5. 5 often not capitalized inside diameter; inner diameter; internal diameter

  6. 6 often not capitalized inside dimensions

  7. 7 intelligence department




1

-id

noun suffix

Definition of -id

  1. 1 :  one belonging to a (specified) dynastic line <Abbasid>

  2. 2 :  meteor associated with or radiating from a (specified) constellation or comet <Perseid>



Origin and Etymology of -id

in sense 1, from Latin -ides, masculine patronymic suffix, from Greek -idēs; in sense 2, from Italian -ide, from Latin -id-, -is, feminine patronymic suffix, from Greek


2

-id

noun suffix

Definition of -id

  1. :  body :  particle <chromatid>



Origin and Etymology of -id

probably from Latin -id-, -is, feminine patronymic suffix, from Greek



ID Defined for Kids

ID

play
abbreviation

Definition of ID for Students

  1. 1 Idaho

  2. 2 identification




Medical Dictionary

1

id

play
noun \ˈid\

Medical Definition of id

  1. :  the one of the three divisions of the psyche in psychoanalytic theory that is completely unconscious and is the source of psychic energy derived from instinctual needs and drives—compare ego, superego




2

id

noun

Medical Definition of id

  1. :  a skin rash that is an allergic reaction to an agent causing an infection <a syphilitic id> <tinea pedis and the vesicular ids arising from it—Journal of the American Medical Association>—compare bacterid




id

abbreviation

Medical Definition of id

  1. the same



Origin and Etymology of id

Latin idem


ID

abbreviation

Medical Definition of ID

  1. 1identification

  2. 2inside diameter; internal diameter

  3. 3intradermal




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