Dictionary

functional

adjective func·tion·al \ˈfəŋ(k)-shnəl, -shə-nəl\

: designed to have a practical use

medical : affecting the way a part of your body works

: working properly

Full Definition of FUNCTIONAL

1
a :  of, connected with, or being a function
b :  affecting physiological or psychological functions but not organic structure <functional heart disease>
2
:  used to contribute to the development or maintenance of a larger whole <functional and practical school courses>; also :  designed or developed chiefly from the point of view of use
3
:  performing or able to perform a regular function
func·tion·al·ly \ˈfəŋ(k)-shnə-lē, -shə-nəl-ē\ adverb
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Examples of FUNCTIONAL

  1. They worked outside, so they preferred wearing functional clothes.
  2. The building's design is not only functional but also beautiful.
  3. The flashlight was still functional after I dropped it.
  4. The computer network is fully functional.

First Known Use of FUNCTIONAL

1631
Medical Dictionary

functional

adjective func·tion·al \ˈfəŋ(k)-shnəl, -shən-əl\

Medical Definition of FUNCTIONAL

1
a :  of, connected with, or being a function—compare structural 1 b :  affecting physiological or psychological functions but not organic structure <functional heart disease> <a functional psychosis>—compare organic 1b
2
:  performing or able to perform a regular function
func·tion·al·ly \-ē\ adverb
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