'unstructured' definitions:

Definition of 'unstructured'

(from WordNet)
adjective
Lacking definite structure or organization; "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" [ant: structured]
adjective
Lacking the system or structure characteristic of living bodies [syn: amorphous, unstructured]