Word
user ID
Definitions
01a login name
A2 · Elementary Countable noun Computing
n. a unique name you use to identify yourself when logging into a website or app.
n. a unique alphanumeric string used to identify a specific individual during the authentication process on a digital platform.
“Please enter your user ID and password to access your bank account.”
“The system administrator requested that all employees update their user ID to follow the new security protocol for remote access.”
02a system number
B2 · Upper Intermediate Countable noun Computing Technical
n. a unique number that a computer system uses to track a specific person.
n. a unique numeric identifier assigned by an operating system or database to distinguish between different accounts.
“The database uses a unique user ID to keep track of every customer's orders.”
“The backend logs recorded the error alongside the specific user ID, allowing the developers to trace the fault to a specific account configuration.”
Synonyms
Etymology
A compound formed from the noun user and the initialism ID, which stands for identification. It follows the established linguistic pattern of combining a functional role with a shortened form of identity documentation.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A2 KeyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.3.0–4.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 2.0–2.524–43TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.225–549
- Level
- A2 · Elementary
- Updated
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