What is the meaning of Complication?

The act or process of complicating.

The state of being complicated; intricate or confused relation of parts; complexity.

A person who doesn't fit in with the main scheme of things; an interloper.

A disease or diseases, or adventitious circumstances or conditions, coexistent with and modifying a primary disease, but not necessarily connected with it.

A feature beyond basic time display in a timepiece.

A twisting or intertwining.

complication

complication

Source: wiktionary.org