English Reference

Word

unsupervised

Phoneticsun·su·per·vised, stress on the second syllable

US/ənˈsupɝˌvaɪzd/

UK/ʌnsˈuːpəvˌaɪzd/

Definition

adj. not being watched or guided by an adult or a leader. You use this to describe a child or a student who is left alone to do something.

adj. not being monitored, guided, or controlled by an authority figure. Often used to describe children or students in a learning environment.

Examples

“The children played unsupervised in the park.”

“The school allows students to work on their projects unsupervised during the final hour of the afternoon.”

“While unsupervised learning in machine learning allows systems to find patterns on their own, it often requires significantly more data than supervised methods to achieve the same level of accuracy.”

Examples

simple

“The children played unsupervised in the park.”

contextual

“The school allows students to work on their projects unsupervised during the final hour of the afternoon.”

complex

“While unsupervised learning in machine learning allows systems to find patterns on their own, it often requires significantly more data than supervised methods to achieve the same level of accuracy.”

Real-World Examples

“A local authority may, however, determine that safeguards – for example, stopping unsupervised contact – need to be put in place.”
The Guardian 4 Sept 2026
“With the hangdog look of a naughty schoolboy, he is left unsupervised and makes the most of his freedom.”
The Guardian 18 Aug 2026

Etymology

From un- + supervised.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference