adjective / noun

complex

kuhm-PLEKS/kəmˈpleks/

A whole made up of many interconnected parts.

The clock forms a complex of interconnected gears and springs.

Cutaway mechanical clock reveals many interconnected gears and springs.
Etymology

The pieces suggest things woven or entwined together. The meaning moved from a whole made of interconnected parts to something intricate and difficult to analyze.

In context

TED3:08
These are just a few examples. Interestingly, complex systems are very hard to map into mathematical equations, so the usual physics approach doesn't really work here.
James B. Glattfelder: Who controls the world?

More examples

  • The instructions are too complex for a beginner to follow.
  • She has a complex about making mistakes in public.
  • The metal ion binds to several molecules, forming a complex.

Forms

complex · complexes · more complex · most complex

complexity noun — The quality of having many interconnected parts.

Similar words

system
Emphasizes connected parts working together for a purpose.
complicated
Emphasizes difficulty understanding or handling something, rather than interconnectedness.
intricate
Emphasizes fine details and elaborate connections among parts.