id
1 of 7noun (1)
ˈid 
: 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
id
2 of 7abbreviation (1)
idem
ID
3 of 7noun (2)
ˈī-ˈdē
plural ID's or IDs
: a document (such 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
ID
4 of 7verb
ˈī-ˈdē
ID'd or IDed; ID'ing or IDing
transitive verb
: identify
ID'd the thief
ID
5 of 7abbreviation (2)
1
Idaho
2
identification
3
independent distributor
4
industrial design
5
often not capitalized inside diameter; inner diameter; internal diameter
6
often not capitalized inside dimensions
7
intellectual disability; intellectually disabled
8
intelligence department
-id
6 of 7noun suffix (1)
1
: one belonging to a (specified) dynastic line
Abbasid
2
: meteor associated with or radiating from a (specified) constellation or comet
Perseid
-id
7 of 7noun suffix (2)
: body : particle
chromatid
Synonyms
Verb
- distinguish
- finger
- identify
- pinpoint
- single (out)
See all Synonyms & Antonyms 
Example Sentences
Verb The police have not yet ID'd the victim. studies that show that eyewitnesses are surprisingly unreliable when called upon to ID the perpetrators of crimes
Word History
Etymology
Noun (1)
New Latin, from Latin, it
Noun suffix (1)
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
Noun suffix (2)
probably from Latin -id-, -is, feminine patronymic suffix, from Greek
First Known Use
Noun (1)
1924, in the meaning defined above
Noun (2)
1941, in the meaning defined above
Verb
1944, in the meaning defined above
Phrases Containing id
Kids Definition
ID
abbreviation
1
Idaho
2
identification
Medical Definition
id 1 of 4
noun
ˈid
: 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
id
2 of 4noun
: 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 Journal of the American Medical Associationid
3 of 4abbreviation
the same
ID
4 of 4abbreviation
1
identification
2
inside diameter; internal diameter
3
intellectual disability; intellectually disabled
4
intradermal
Legal Definition
id.
abbreviation
idem
IDs
verb
as in identifies
to find out or establish the identity of studies that show that eyewitnesses are surprisingly unreliable when called upon to ID the perpetrators of crimes Synonyms & Similar Words
Relevance
- identifies
- finds
- pinpoints
- distinguishes
- fingers
- locates
- diagnoses
- recognizes
- checks
- determines
- puts one's finger on
- spots
- notices
- singles (out)
- inspects
- places
- reveals
- investigates
- picks out
- discloses
- examines
- discovers
- scrutinizes
- betrays
- observes
Antonyms & Near Antonyms
- hides
- disguises
- conceals
- camouflages
- simulates
- feigns
- counterfeits
- shams
- overaction
- overactions
- overactive
- overactivities
- overactivity
- overacts
- overadjust
- overadjusted
- overadjusting
- overadjustment
- overadjustments
- overadvertise
- overadvertised
- overadvertises
- overadvertising
- overage
- overaged
- overages
- overaggressive
- overaggressively
- overaggressiveness
- overaggressivenesses
- overalert
- overalertness
- overall