complication
//ˌkɒmplɪˈkeɪʃən//
Noun
complicationSingular
complicationsPlural
1
A problem or difficulty that makes a situation more complex or harder to deal with
The surgery went well, but there were some complications during recovery.
2
A secondary disease or condition that develops as a result of an existing illness or medical treatment
Pneumonia can be a serious complication of the flu.
3
The state or quality of being intricate or complex
The complication of the legal system makes it difficult for ordinary people to understand.