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

Many travelers blend the two — booking a short retreat at the start or end of a longer independent trip — to get both structured healing and unstructured exploration. —Hanna Wickes, Kansas City Star, 21 May 2026

But so were the spirits of Marilyn Monroe, Sophia Loren and Audrey Hepburn, conjured in slinky pastel gowns and silky unstructured dresses. —Merle Ginsberg, HollywoodReporter, 20 May 2026

Inflation, geopolitical instability and unpredictable demand patterns all make unstructured growth more dangerous. —Raheel Sheikh, Forbes.com, 18 May 2026

Throughout his time in China, the president has executive time scheduled, or unstructured time, per The Guardian and Politico. —Saleen Martin, USA Today, 14 May 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