unstructured

adjective

un·​struc·​tured ˌən-ˈstrək-chərd 

: lacking structure or organization: such as

a

: not formally organized in a set or conventional pattern

an unstructured question

feel insecure in an unstructured situation

b

: not having a system or hierarchy typical of an organized society

Synonyms of unstructured

• chaotic
• amorphous
• shapeless
• formless
• unformed
• unshaped

Examples of unstructured in a Sentence

Unstructured play time is important for children.

Her life is very unstructured.

Recent Examples on the Web

Taylor joined the Bravo series in its latest season, which later exploded into scandal and earned its first Emmy nomination in the outstanding unstructured reality program category. — Mia Galuppo, HollywoodReporter, 11 Aug. 2026

John is also currently on a behavioral plan that includes an aide during unstructured periods, including lunch, recess and PE. — Bonny Chu, FOXNews.com, 11 Aug. 2026

In unstructured contexts, human dexterity still falls behind dexterous manipulation. — Chuck Brooks, Forbes.com, 10 Aug. 2026

The first two play to AI’s natural advantages in handling large, unstructured datasets. — Roderick Wong, Fortune, 25 July 2026

Word History

First Known Use

1936, in the meaning defined above

Medical Definition

unstructured

adjective

un·​struc·​tured ˌən-ˈstrək-chərd 

: lacking structure : not formally organized

unstructured psychological tests