functional meaning and definition

FUNCTIONAL adjective

Definition of functional (adjective)

1. designed for or capable of a particular function or use
   • "a style of writing in which every word is functional"; "functional architecture"
   • antonym: nonfunctional
2. involving or affecting function rather than physiology
   • "functional deafness"
   • antonym: organic
3. relating to or based on function especially as opposed to structure
   • "the problem now is not a constitutional one; it is a functional one"; "delegates elected on a functional rather than a geographical basis"
4. fit or ready for use or service
   • "the toaster was still functional even after being dropped"; "the lawnmower is a bit rusty but still usable"; "an operational aircraft"; "the dishwasher is now in working order"
   • synonyms: operable, operational, usable, useable
5. designed for or adapted to a function or use
   • "functional education selects knowledge that is concrete and usable rather than abstract and theoretical"; "functional architecture"
6. (of e.g. a machine) performing or capable of performing
   • "in running (or working) order"; "a functional set of brakes"
   • synonyms: operative, running, working