noun Date: 15th century 1. complexity , intricacy , a making difficult, involved, or intricate, a complex or intricate feature or element, a difficult factor or issue often appearing unexpectedly and changing existing plans, methods, or attitudes, a secondary disease or condition developing in the course of a primary disease or condition
COMPLICATION
Meaning of COMPLICATION in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012