adj.
1.designed for or capable of a particular function or use
2.involving or affecting function rather than physiology
3.relating to or based on function especially as opposed to structure
4.fit or ready for use or service
5.designed for or adapted to a function or use
6.(of e.g. a machine) performing or capable of performing
Idiom of the Day
lose ground
to go backward, to become weaker, to not improve
The government has been losing ground in the fight against inflation.