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

Seventy-nine percent of respondents pointed to a lack of expertise managing unstructured data. — Eshaan Jain, Forbes.com, 14 Sep. 2026

Somewhere in the 1990s and 2000s, the unstructured, local, low-stakes version of youth sports started to change. — Dr. Edith Bracho-Sanchez, CNN Money, 7 Sep. 2026

Once loved and worn by celebrities like Kate Moss and Rihanna, the unstructured boot has made a comeback as one of 2026's hottest boot trends. — Jake Henry Smith, Glamour, 3 Sep. 2026

The antagonist of the new Toy Story film is a tablet, whose addictive presence distracts the toys’ young owner from unstructured, creative play. — Literary Hub, 28 Aug. 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