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complication Line breaks: com|pli|ca¦tion
Pronunciation: /kɒmplɪˈkeɪʃ(ə)n/

Definition of complication in English:


1A circumstance that complicates something; a difficulty: there is a complication concerning ownership of the site
More example sentences
  • Without proper cover, difficulties become disasters and complications become crises.
  • He says, however, that the questions about whether the supreme court is going to be a complication are difficult to answer because it's too soon.
  • The process has also been stalled by complications over the ownership of ESB assets.
informal fly in the ointment, prob, headache, hiccup, facer
British informal spanner in the works
North American informal monkey wrench in the works
1.1 [mass noun] An involved or confused condition or state: to add further complication, English-speakers use a different name
More example sentences
  • I love complication but then again, that's my life.
  • The fact that we had to walk half a mile through a near frozen pasture to reach the shed where Peanuts had been ensconced with mountains of hay and a trough of fresh water added another layer of complication.
  • Of course, the immediate step is to embrace the sport of complication with academic fervour.
confusion, muddle
2 Medicine A secondary disease or condition aggravating an already existing one: she developed complications after the surgery
More example sentences
  • Of those, 818 have had diabetes at least 10 years and have developed kidney disease, a common complication of diabetes.
  • What are the common symptoms and complications of diverticular disease?
  • Myocarditis may develop as a complication of an infectious disease, usually caused by a virus.


Late Middle English: from late Latin complicatio(n-), from Latin complicare 'fold together' (see complicate).

Definition of complication in:

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