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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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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