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English definition of “complication”

complication

noun     /ˌkɒm.plɪˈkeɪ.ʃən/ US  /ˌkɑːm-/
C1 [C or U] something that makes a situation more difficult, or the act of doing this: Dave couldn't find his passport at the airport and then there were further complications when Fiona lost her baggage. If any complications arise, let me know and I'll help.Difficult things and peoplePreventing and impeding C2 [C] an extra medical problem that makes it more difficult to treat an existing illness: If there are no complications, the doctor says that she'll be able to come home within two weeks.Disease and illness - general words
(Definition of complication noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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