Complex and Highly-developed

Complex adjective - Having many parts or aspects that are usually interrelated.

Highly-developed and complex are semantically related. In some cases you can use "Highly-developed" instead an adjective "Complex".

Nearby Words: complicated, complicate, complexion, complexity, complexly

Highly-developed adjective - (used of societies) having high industrial development.

Complex and highly-developed are semantically related. Sometimes you can use "Complex" instead an adjective phrase "Highly-developed".