Synonyms of functional

1. functional (vs. nonfunctional), structural, utilitarian, useful, serviceable: usage: designed for or capable of a particular function or use; "a style of writing in which every word is functional"; "functional architecture"
2. functional (vs. organic): usage: involving or affecting function rather than physiology; "functional deafness"
3. functional: usage: 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. functional, usable, useable, operable, operational, serviceable (vs. unserviceable): usage: 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"
5. functional, practical (vs. impractical): usage: 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. running(prenominal), operative, functional, working(prenominal), functioning (vs. malfunctioning): usage: (of e.g. a machine) performing or capable of performing; "in running (or working) order"; "a functional set of brakes"