id

[ id ]
/ ɪd /

noun Psychoanalysis.

the part of the psyche, residing in the unconscious, that is the source of instinctive impulses that seek satisfaction in accordance with the pleasure principle and are modified by the ego and the superego before they are given overt expression.

Origin of id

1920–25; < Latin id it, as a translation of German Es, special use of es it, as a psychoanalytic term

Definition for id (2 of 13)

ID

[ ahy-dee ]
/ ˈaɪˈdi /

noun

a means of identification, as a card or bracelet containing official or approved identification information.

verb (used with object), ID'd or IDed or ID'ed, ID'ing or ID·ing.

to identify.
to issue an ID to: Go to the admissions office if you haven't been ID'd yet.

Definition for id (3 of 13)

ID


Idaho (approved especially for use with zip code).
Also i.d. inside diameter.

Definition for id (4 of 13)

-ide

or -id


a suffix used in the names of chemical compounds: bromide.

Origin of -ide

extracted from oxide

Definition for id (5 of 13)

I'd

[ ahyd ]
/ aɪd /

contraction of I would or I had.

Usage note

Definition for id (6 of 13)

Definition for id (7 of 13)

Definition for id (8 of 13)

ID.


(in Iraq) dinar; dinars.

Definition for id (9 of 13)

I.D.


Military. Infantry Division.
Intelligence Department.

Origin of I.D.

First recorded in 1950–55

Definition for id (10 of 13)

-id

1

a suffix of nouns that have the general sense “offspring of, descendant of,” occurring originally in loanwords from Greek (Atreid; Nereid), and productive in English on the Greek model, especially in names of dynasties, with the dynasty's founder as the base noun (Abbasid; Attalid), and in names of periodic meteor showers, with the base noun usually denoting the constellation or other celestial object in which the shower appears (Perseid).

Origin of -id

1
< Latin -id-, stem of -is < Greek: feminine patronymic suffix; or < Latin -idēs < Greek: masculine patronymic suffix

Definition for id (11 of 13)

-id

2

a suffix occurring in English derivatives of modern Latin taxonomic names, especially zoological families and classes; such derivatives are usually nouns denoting a single member of the taxon or adjectives with the sense “pertaining to” the taxon: arachnid; canid.

Origin of -id

2
< Greek -idēs -id1, as singular of New Latin -ida -ida or -idae -idae

Definition for id (12 of 13)

-id

3

variant of -ide: lipid.

Definition for id (13 of 13)

-id

4

a suffix occurring in descriptive adjectives borrowed from Latin, often corresponding to nouns ending in -or1: fetid; humid; pallid.

Origin of -id

4
From the Latin suffix -idus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for id

British Dictionary definitions for id (1 of 10)

id

1
/ (ɪd) /

noun

psychoanal the mass of primitive instincts and energies in the unconscious mind that, modified by the ego and the superego, underlies all psychic activity

Word Origin for id

C20: New Latin, from Latin: it; used to render German Es

British Dictionary definitions for id (2 of 10)

id

2

the internet domain name for

Indonesia

British Dictionary definitions for id (3 of 10)

ID


abbreviation for

Idaho
identification (document)
Also: i.d inside diameter
Intelligence Department
Also: i.d intradermal

British Dictionary definitions for id (4 of 10)

id.


abbreviation for

idem

British Dictionary definitions for id (5 of 10)

Id.


abbreviation for

Idaho

British Dictionary definitions for id (6 of 10)

I'd

/ (aɪd) /

contraction of

I had or I would

British Dictionary definitions for id (7 of 10)

-id

1

suffix forming nouns

indicating the names of meteor showers that appear to radiate from a specified constellationOrionids (from Orion)
indicating a particle, body, or structure of a specified kindenergid

Word Origin for -id

from Latin -id-, -is, from Greek, feminine suffix of origin

British Dictionary definitions for id (8 of 10)

-id

2

suffix forming adjectives, suffix forming nouns

indicating members of a zoological familycyprinid
indicating members of a dynastySeleucid; Fatimid

Word Origin for -id

from New Latin -idae or -ida, from Greek -idēs suffix indicating offspring

British Dictionary definitions for id (9 of 10)

-id

3

suffix forming nouns

a variant of -ide

British Dictionary definitions for id (10 of 10)

-ide

-id


suffix forming nouns

(added to the combining form of the nonmetallic or electronegative elements) indicating a binary compoundsodium chloride
indicating an organic compound derived from anotheracetanilide
indicating one of a class of compounds or elementspeptide; lanthanide

Word Origin for -ide

from German -id, from French oxide oxide, based on the suffix of acide acid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for id (1 of 4)

id

[ ĭd ]

n.

In psychoanalytic theory, the division of the psyche that is totally unconscious and serves as the source of instinctual impulses and demands for immediate satisfaction of primitive needs.

Medicine definitions for id (2 of 4)

ID


abbr.

infecting dose

Medicine definitions for id (3 of 4)

-id


suff.

Body; particle:chromatid.

Medicine definitions for id (4 of 4)

-ide


suff.

Group of related chemical compounds:monosaccharide.
Binary compound:sodium chloride.
Chemical element with properties similar to another:lanthanide.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for id

-ide


A suffix used to form the names of various chemical compounds, especially the second part of the name of a compound that has two members (such as sodium chloride) or the name of a general type of compound (such as polysaccharide).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for id

id


In Freudian theory, the part of the psyche associated with instinctual, repressed, or antisocial desires, usually sexual or aggressive. In its efforts to satisfy these desires, the id comes into conflict with the social and practical constraints enforced by the ego and superego. (See also pleasure principle.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.