complication

(n) the act or process of complicating
(n) a situation or condition that is complex or confused
- her coming was a serious complication
(n) any disease or disorder that occurs during the course of (or because of) another disease
- bed sores are a common complication in cases of paralysis
(n) a development that complicates a situation
- the court's decision had many unforeseen ramifications
ramification,
(n) puzzling complexity complicatedness, knottiness, tortuousness,

ramification complicatedness knottiness tortuousness