| Adj. | 1. | functional - designed for or capable of a particular function or use; "a style of writing in which every word is functional"; "functional architecture"serviceable - ready for service or able to give long service; "serviceable equipment"; "heavy serviceable fabrics" | |
| 2. | functional - involving or affecting function rather than physiology; "functional deafness"pathology - the branch of medical science that studies the causes and nature and effects of diseases organic - involving or affecting physiology or bodily organs; "an organic disease" | |
| 3. | functional - 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 - 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"serviceable - ready for service or able to give long service; "serviceable equipment"; "heavy serviceable fabrics" | |
| 5. | functional - 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"practical - concerned with actual use or practice; "he is a very practical person"; "the idea had no practical application"; "a practical knowledge of Japanese"; "woodworking is a practical art" | |
| 6. | functional - (of e.g. a machine) performing or capable of performing; "in running (or working) order"; "a functional set of brakes"functioning - performing or able to perform its regular function; "a functioning flashlight" | |