| adj. | 1. | Not having or performing a function. |
| 2. | Not performing or able to perform its regular function; |
| Adj. | 1. | nonfunctional - not having or performing a function Antonyms: functional - designed for or capable of a particular function or use; "a style of writing in which every word is functional"; "functional architecture" |
| 2. | nonfunctional - not performing or able to perform its regular function; "a malfunctioning valve" Synonyms: malfunctioning |