noun
A loanword used in medical, technical, or general contexts to refer to a factor that makes a situation more complex or difficult. Often used in the same way as the English word.
手術後にコンプリケーションが発生した。
A complication occurred after the surgery.
プロジェクトに予期せぬコンプリケーションが生じた。
An unexpected complication arose in the project.