The meaning of FUNCTIONAL is of, connected with, or being a function. How to use functional in a sentence.

FUNCTIONAL definition: of or relating to a function or functions. See examples of functional used in a sentence.

FUNCTIONAL meaning: 1. designed to be practical and useful rather than attractive: 2. (of a machine, system, etc…. Learn more.

1. of or pertaining to a function or functions. 2. capable of operating or functioning. 3. having or serving a utilitarian purpose; capable of serving the purpose for which it was designed. 4. (of a building or …

Functional equipment works or operates in the way that it is supposed to. We have fully functional smoke alarms on all staircases.

Definition of functional adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

having or serving a useful purpose: This screen is functional as well as decorative. Psychology of or relating to improper function without known cause:[before a noun] a functional disorder.

Jan 20, 2026 · Of or relating to one's role or office; official.

Essentially, if something is functional, it is working properly or fulfilling its purpose. This term can be used in various fields such as math, sociology, computer science, and more, with contexts dictating …

Factsheet What does the word functional mean? There are 12 meanings listed in OED's entry for the word functional. See ‘Meaning & use’ for definitions, usage, and quotation evidence.