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noun

complication

kom-plih-KAY-shuhn
noun
1
A problem or difficulty that makes a situation harder to deal with.
"An unexpected complication delayed the project by weeks."
2
(medicine) A secondary condition that arises during or after an illness and makes it worse.
"Pneumonia is a serious complication of the flu in elderly patients."
3
(horology) An extra function on a watch beyond simply telling the time, such as a date display or moon phase.
"The watch has a chronograph complication."

How to Use Complication

Learner’s notes

In plain EnglishAn added difficulty or problem, or (in medicine) a knock-on health issue.

Common pairings
medical complication run into complications without complications

Word Forms

complications plural

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An unexpected _____ delayed the project by weeks.

Etymology

From Latin complicatio, "a folding together," the noun form of complicare — see "complicate."

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Rhymes for complication

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