unstructured

[uhn-struhk-cherd]

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adjective

lacking a clearly defined structure or organization: an unstructured conference; an unstructured school environment.

Origin of unstructured

First recorded in 1940–45; un-¹ + structured

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for unstructured

unregulated, disorganized, disorderly

Examples from the Web for unstructured

Historical Examples of unstructured

This does not mean, however, that our sessions are totally "unstructured."
Marriage Enrichment Retreats
David Mace
Should it become an Internet address for unlimited and unstructured browsing?
The Civilization of Illiteracy
Mihai Nadin
I ended up in the USA, a land of unstructured and flawed literacy, but also one of amazing dynamics.
The Civilization of Illiteracy
Mihai Nadin

British Dictionary definitions for unstructured

unstructured

adjective

without formal structure or systematic organization

without a preformed shape; (esp of clothes) loose; untailored

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012