Definitions:

1. designed for or adapted to a function or use adjective
   • functional education selects knowledge that is concrete and usable rather than abstract and theoretical
2. designed for or capable of a particular function or use adjective
   • a style of writing in which every word is functional
3. fit or ready for use or service adjective
   • the toaster was still functional even after being dropped
4. involving or affecting function rather than physiology adjective
   • functional deafness

Synonyms:

• running
• usable

NearBy Words:

• functionalism
• functionalist
• functionality
• functionally