English Reference
Adjective

unstructured

adj.
B2 Upper Intermediate US /ənˈstɹəkʃɝd/ UK /ʌnstɹˈʌktʃəd/ un·struc·tured

adj.not having a clear plan, order, or rules. You use this to describe things like time, data, or activities that are free and flexible.

adj.lacking a fixed, formal, or systematic arrangement. Often describes data that does not conform to a specific format or activities that are not governed by strict rules.


SIMPLE

The children had an hour of unstructured playtime in the park.

CONTEXTUAL

The manager prefers unstructured meetings where the team can discuss any topic they want without a strict agenda.

COMPLEX

While structured data is easy to analyze with traditional software, unstructured data like social media posts requires more advanced algorithms to extract meaningful insights.

It could include unstructured play, such as exploring in nature away from adult eyes.

Phys.org· 17 Aug 2026

Some play is unstructured and often referred to as free play.

The Conversation· 28 Jul 2026
This entry
Level B2 · Upper Intermediate
Frequency Occasional
Updated