func·tion·al 
/ˈfʌŋkʃənl̟/ adjective
/ˈfʌŋkʃənl̟/ adjective 1 : designed to have a practical use
▪ They worked outside, so they preferred wearing functional clothes. ▪ The building's design is not only functional but also beautiful. ▪ functional and decorative pottery 2 medical : affecting the way a part of your body works
▪ a functional heart disorder 3 : working properly
▪ The flashlight was still functional after I dropped it. ▪ The computer network is fully functional. 4 : of or relating to the use or function of something
▪ the functional differences between the departments
▪ They worked outside, so they preferred wearing functional clothes. ▪ The building's design is not only functional but also beautiful. ▪ functional and decorative pottery
▪ a functional heart disorder
▪ The flashlight was still functional after I dropped it. ▪ The computer network is fully functional.
▪ the functional differences between the departments
— func·tion·al·ly adverb
