[ kom-pli-key-shuhn ]
See synonyms for: complicationcomplications on

  1. the act of complicating.

  2. a complicated or involved state or condition.

  1. a complex combination of elements or things.

  2. something that introduces, usually unexpectedly, some difficulty, problem, change, etc.: Because of the complications involved in traveling during the strike, we decided to postpone our trip.

  3. Pathology. a concurrent disease, accident, or adverse reaction that aggravates the original disease.

  4. the act of forming a unified idea or impression from a number of sense data, memories, etc.

Origin of complication

1605–15; <Late Latin complicātīon- (stem of complicātiō), equivalent to complicāt(us) (see complicate) + -īon--ion

Other words for complication

Other words from complication

  • com·pli·ca·tive, adjective
  • pre·com·pli·ca·tion, noun
  • re·com·pli·ca·tion, noun

Words Nearby complication Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use complication in a sentence

British Dictionary definitions for complication


/ (ˌkɒmplɪˈkeɪʃən) /

  1. a condition, event, etc, that is complex or confused

  2. the act or process of complicating

  1. a situation, event, or condition that complicates or frustrates: her coming was a serious complication

  2. a disease or disorder arising as a consequence of another disease

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012