I. ˈkäm-plə-pli-kət adjective
Etymology: Latin complicatus, past participle of complicare to fold together, from com- + plicare to fold — more at ply
Date: 1638
1. : complex , intricate
2. : conduplicate
II. ˈkäm-plə-ˌkāt transitive verb
( -cat·ed ; -cat·ing )
Date: 1672
1. : to combine especially in an involved or inextricable manner
2. : to make complex or difficult
3. : involve ; especially : to cause to be more complex or severe
a virus disease complicated by bacterial infection