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

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

If a functional's value can be computed for small segments of the input curve and then summed to find the total value, the functional is called local. Otherwise it is called non-local.

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

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 …

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

Aug 21, 2025 · Of or relating to one's role or office; official.

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.

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.

Use the adjective functional to describe something that is made to do a specific job, such as the functional alarm clock feature on a digital stopwatch. The word functional comes from the Latin …