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Definition of functional

functional

/ˈfʌŋkʃənəl/
func · tion · al

Adverb:functionally
•
Plural:functionals
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functional Lexical Profile

functional Game Scores & Validity

• adjective

1

Designed to be practical and useful, rather than merely attractive or decorative.

Example

"The minimalist kitchen features simple, functional cabinetry with plenty of storage."


2

In working order; able to operate properly and serve its intended purpose.

Example

"Despite some exterior scratches, the vintage camera remains fully functional."


3

Of or relating to the way in which something works, operates, or performs its specific role.

Example

"There are several functional differences between the two software versions."


4

(Of a disease or medical symptom) affecting the physiological operation of an organ without any detectable structural or organic abnormality.

Example

"After ruling out structural damage, the physician diagnosed a functional gastrointestinal disorder."

Synonyms
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Antonyms
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• noun

1

In mathematics, a function whose domain is itself a set of functions and whose range is a set of scalars (real or complex numbers).

Example

"In the calculus of variations, one seeks to find the extrema of a given functional."

• Rhymes for functional

Word Origin & Etymology

First recorded in the early 17th century, the word derives from Late Latin functionalis, from Latin functio ('performance, execution'), which stems from the verb fungi ('to perform or execute').

Cite this Entry


Wordmom. (2026). Definition of Functional. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/functional
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