Noun
1. the act or process of complicating
2. a situation or condition that is complex or confused;
"her coming was a serious complication"3. 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"4. a development that complicates a situation;
"the court's decision had many unforeseen ramifications"5. puzzling complexity