Definition of functional
1a : of, connected with, or being a function <the functional differences between the departments>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 <The design of the building is not only functional but also beautiful.>
3 : performing or able to perform a regular function <The flashlight was still functional after I had dropped it.>
functionallyplay \ˈfəŋ(k)-shnə-lē, -shə-nəl-ē\ adverb
Examples of functional in a sentence
They worked outside, so they preferred wearing functional clothes.
The building's design is not only functional but also beautiful.
The flashlight was still functional after I dropped it.
The computer network is fully functional.
First Known Use of functional
FUNCTIONAL Defined for English Language Learners
Definition of functional for English Language Learners
: designed to have a practical use
medical : affecting the way a part of your body works
: working properly
Medical Definition of functional
Seen and Heard
What made you want to look up functional? Please tell us where you read or heard it (including the quote, if possible).