First Known Use: 1924
Dictionary
1id
noun \ˈid\
psychology : a part of a person's unconscious mind that relates to basic needs and desires
Full Definition of ID
See id defined for English-language learners
ADVERTISEMENT
Origin of ID
New Latin, from Latin, it
2id
abbreviation
Definition of ID
idem
1ID
noun \ˈī-ˈdē\
: to find out the identity of (someone or something)
plural ID's or IDs
Full Definition of ID
: 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
First Known Use of ID
1941
2ID
verb \ˈī-ˈdē\
ID'd or IDedID'ing or IDing
Definition of ID
transitive verb
: identify <ID'd the thief>
First Known Use of ID
1944
Related to ID
- Synonyms
- distinguish, finger, identify, pinpoint, single (out)
3ID
abbreviation
Definition of ID
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
intelligence department
ID Defined for Kids
ID
abbreviation
Definition of ID for Kids
1
Idaho
2
identification
Learn More About ID
Browse
Next Word in the Dictionary: -id (noun suffix)Previous Word in the Dictionary: icyAll Words Near: id
ADVERTISEMENT
Seen & Heard
What made you want to look up id? Please tell us where you read or heard it (including the quote, if possible).