Antonyms of adj unstructured

2 senses of unstructured

Sense 1
unstructured (vs. structured) -- (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")

structured (vs. unstructured) -- (having definite and highly organized structure; "a structured environment")

Sense 2
amorphous, unstructured -- (lacking the system or structure characteristic of living bodies)

INDIRECT (VIA inorganic) -> organic -- (being or relating to or derived from or having properties characteristic of living organisms; "organic life"; "organic growth"; "organic remains found in rock")

Similarity of adj unstructured

2 senses of unstructured

Sense 1
unstructured (vs. structured) -- (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")
       => ambiguous -- (having no intrinsic or objective meaning; not organized in conventional patterns; "an ambiguous situation with no frame of reference"; "ambiguous inkblots")
       => unregulated -- (without regulation or discipline; "an unregulated environment")
          Also See-> unorganized#1, unorganised#1

Sense 2
amorphous, unstructured -- (lacking the system or structure characteristic of living bodies)
       => inorganic (vs. organic) -- (lacking the properties characteristic of living organisms)