[com.pli.ca.tion] n (15c) 1 a: complexity, intricacy; esp: a situation or a detail of character complicating the main thread of a plot b: a making difficult, involved, or intricate c: a complex or intricate feature or element d: a difficult factor or issue often appearing unexpectedly and changing existing plans, methods, or attitudes
2: a secondary disease or condition developing in the course of a primary disease or condition