adj · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:AH0 N S T R AH1 K SH ER0 D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Lacking structure.
Definition source: English Wiktionary via Wiktextract
Examples
His unstructured method of planning scared anyone who had to depend on his schedules.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adjective
Meaning 2
lacking definite structure or organization
Definition source: Princeton WordNet 3.0
Examples
an unstructured situation with no one in authority
a neighborhood gang with a relatively unstructured system
children in an unstructured environment often feel insecure
unstructured inkblots
Meaning relationships
Synonyms: none provided
Antonyms: structured
3
adjective satellite
Meaning 3
lacking the system or structure characteristic of living bodies
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: amorphous
Antonyms: none provided
History
Etymology
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English structured English unstructured From un- + structured.
Across languages
Translations
4 source translations are retained for this English entry.