Definition of Functional

1. Adjective. Designed for or capable of a particular function or use. "Functional architecture"

Attributes: Function, Purpose, Role, Use
Similar to: Structural, Useful, Utilitarian
Also: Serviceable
Derivative terms: Functionality
Antonyms: Nonfunctional

2. Adjective. Involving or affecting function rather than physiology. "Functional deafness"
Category relationships: Pathology
Antonyms: Organic

3. Adjective. Relating to or based on function especially as opposed to structure. "Delegates elected on a functional rather than a geographical basis"
Partainyms: Function

4. Adjective. Fit or ready for use or service. "The dishwasher is now in working order"
Exact synonyms: Operable, Operational, Usable, Useable
Similar to: Serviceable
Derivative terms: Functionality, Usableness, Use, Use, Useableness

5. Adjective. Designed for or adapted to a function or use. "Functional architecture"
Similar to: Practical
Derivative terms: Functionality

6. Adjective. (of e.g. a machine) performing or capable of performing. "A functional set of brakes"
Exact synonyms: Operative, Running, Working
Similar to: Functioning
Derivative terms: Functionality, Operate, Operate

Definition of Functional

1. a. Pertaining to, or connected with, a function or duty; official.

Definition of Functional

1. Adjective. In good working order. ¹

2. Adjective. Useful; serving a purpose, fulfilling a function ¹

3. Adjective. Only for functional purposes, notably in architecture ¹

4. Adjective. (computing theory) Having semantics defined purely in terms of mathematical functions, without side-effects. ¹

5. Adjective. (medicine) Of a disease, such that its symptoms cannot be referred to any appreciable lesion or change of structure; opposed to organic disease, in which the organ itself is affected. ¹

6. Noun. (mathematics) A function that takes a function as its argument; More precisely: A function ''y''=''f''(''x'') whose argument ''x'' varies in a space of (real valued, complex valued) functions and whose value belongs to a monodimensional space. An example: the definite integration of integrable real functions in a real interval. ¹

7. Noun. (mathematics) (functional analysis) A scalar-valued [ linear function] on a vector space ¹

8. Noun. (computing) An object encapsulating a function pointer (or equivalent). ¹

¹ Source:

Definition of Functional

1. [adj]

Medical Definition of Functional

1. 1. Pertaining to, or connected with, a function or duty; official. 2. Pertaining to the function of an organ or part, or to the functions in general. Functional disease, a disease of which the symptoms cannot be referred to any appreciable lesion or change of structure; the derangement of an organ arising from a cause, often unknown, external to itself opposed to organic disease, in which the organ itself is affected. Source: Websters Dictionary (01 Mar 1998)

Functional Pictures

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Lexicographical Neighbors of Functional

function codes
function corrector
function generator
function generators
function key
function keys
function multiplier
function multipliers
function object
function objects
function space
function spaces
function table
function tables
function word
functional (current term)
functional albuminuria
functional analysis
functional anatomy
functional aphasia
functional apoplexy
functional blindness
functional calculus
functional cardiovascular disease
functional chew-in record
functional congestion
functional contracture
functional deafness
functional dependency

Literary usage of Functional

Below you will find example usage of this term as found in modern and/or classical literature:

1. Biological Bulletin by Marine Biological Laboratory (Woods Hole, Mass.) (1915)
"A special form of this theory is that of "functional adaptation" which was ... Roux named this phenomenon "functional adaptation," while the structures ..."

2. Catalogue of Scientific Papers, 1800-1900: Subject Indexby Royal Society (Great Britain), Herbert McLeod by Royal Society (Great Britain), Herbert McLeod (1908)
"satisfying certain functional equations. Wirtinger, W. Wien Ak. Sb. 99 (1891) ... of a functional equation and application to parallelogram of forces and to ..."

3. The Laryngoscope by American Laryngological, Rhinological, and Otological Society (1902)
"functional tests of hearing are subjective, and as such require cooperation and accurate responses on the part of the patient. The tests require certain ..."

4. Psychological Review by American Psychological Association (1903)
"The functional view, as I shall call it, is represented by the tendencies ... The raw material for a functional system maybe found in James' chapters on ..."

5. Proceedings of the Royal Society of Edinburgh by Royal Society of Edinburgh (1904)
"functional Inertia, a Property of Protoplasm. By David Fraser Harris, MD, B.Sc. (Lond.), Lecturer on Physiology and Histology, University of St Andrews. ..."

6. Manual of Serum Diagnosis: Deep Breathing and a Complete System for by Bernarr Macfadden, Otto Rostoski (1904)
"Constipation is due to a break in the functional powers. Hence, as a part of its cure, functional vigor must be restored by a system of general exercises ..."

7. Valuation of Public Service Corporations: Legal and Economic Phases of by Robert Harvey Whitten (1912)
"functional depreciation actually accrued should be deducted. ... functional depreciation has already been denned (above, ยง 391) as lack of adaptation to ..."

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