functional

English

Etymology

function +‎ -al

Pronunciation

• IPA^(key): /ˈfʌŋk(t)ʃənəl/, /ˈfʌŋk(t)ʃnəl/

• Audio (US)

  (file)

Adjective

functional (comparative more functional, superlative most functional)

1. In good working order.
2. Useful; serving a purpose, fulfilling a function

   That sculpture is not merely artistic, but also functional: it can be used as a hatrack.

3. Only for functional purposes, notably in architecture

   A functional construction element generally must meet higher technical but lower aesthetical requirements

4. (computing theory) Having semantics defined purely in terms of mathematical functions, without side-effects.
   • Antonym: imperative, Synonym: pure
5. (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.

Synonyms

• functioning, working
• utilitarian

Antonyms

• dysfunctional
• non-functional, nonfunctional, unfunctional
• (medicine: not referrable to a change of structure): organic

Hyponyms

• algofunctional
• crossfunctional
• difunctional
• hyperfunctional
• hypofunctional
• isofunctional
• metafunctional
• monofunctional
• morphofunctional
• myofunctional
• organofunctional
• parafunctional
• semifunctional
• subfunctional
• ultrafunctional

 

Derived terms

• functionalism
• functionalist
• functionality
• functionally
• monofunctional
• oligofunctional
• polyfunctional

 

Related terms

• function
• functional anatomy
• functional application
• functional bombing
• functional constraint
• functional decomposition
• functional dependency
• functional design
• functional diagram
• functional disorder
• functional electrical stimulation
• functional error recovery
• functional failure
• functional food
• functional genomics
• functional group
• functional interleaving
• functional magnetic resonance imaging
• functional MR imaging
• functional programming
• functional requirement
• functional reserve
• functional residual capacity
• functional root
• functional specifications
• functional switching circuit
• functional unit
• functional work
• functionary
• non-functional requirement
• trivial functional dependency

 

Translations

in good working order

• Armenian: please add this translation if you can
• Azerbaijani: işlək
• Bulgarian: действащ (bg) (dejstvašt), функциониращ (bg) (funkcionirašt)
• Catalan: funcional (ca)
• Chinese:

  Mandarin: 功能的 (zh) (gōngnéng de)

• Czech: funkční (cs)
• Danish: funktionsdygtig, funktionel
• Dutch: functionerend (nl), operationeel (nl), werkend (nl)
• Esperanto: please add this translation if you can
• Finnish: toimiva (fi)
• French: fonctionnel (fr)
• Georgian: please add this translation if you can
• German: funktional (de), Funktions-, funktionell, Gebrauchs (de)-, operativ (de)
• Greek: λειτουργικός (el) (leitourgikós)
• Italian: funzionante (it)

• Japanese: 機能の (ja) (きのうの, kinō no), 機能する (ja) (きのうする, kinō suru)
• Kazakh: атқарымдық (atqarımdıq), қызметтік (qızmettik), функционалды (fwnkcïonaldı), функционалдық (fwnkcïonaldıq), функциялық (fwnkcïyalıq)
• Khmer: please add this translation if you can
• Mongolian: please add this translation if you can
• Norwegian:

  Bokmål: funksjonell (no)

  Nynorsk: funksjonell

• Polish: działający, sprawny (pl), aktywny (pl)
• Portuguese: funcional (pt)
• Romanian: funcțional (ro)
• Russian: функциони́рующий (ru) (funkcionírujuščij), де́йствующий (ru) (déjstvujuščij), рабо́чий (ru) (rabóčij), рабо́тающий (ru) (rabótajuščij)
• Spanish: operativo (es)
• Swedish: fungerande (sv)
• Thai: please add this translation if you can
• Vietnamese: please add this translation if you can

useful, serving a purpose

• Bulgarian: функционален (funkcionalen)
• Danish: funktionel
• Dutch: functioneel (nl), doelmatig (nl)
• Finnish: käytännöllinen (fi)
• French: fonctionnel (fr)
• German: funktional (de), Funktions-, funktionell, Gebrauchs (de)-, zweckmäßig (de)
• Greek: λειτουργικός (el) (leitourgikós)
• Irish: feidhmiúil, praiticiúil
• Italian: funzionale (it)
• Japanese: 便利 (ja) (べんり, benri), 機能的な (ja) (きのうてきな, kinōteki na), 便利 (ja) (べんり, benri)

• Middle English: official
• Norwegian:

  Bokmål: funksjonell (no)

  Nynorsk: funksjonell

• Portuguese: funcional (pt)
• Russian: функциона́льный (ru) (funkcionálʹnyj)
• Spanish: útil (es)
• Swedish: funktionell (sv)
• Turkish: işlevsel (tr), fonksiyonel (tr)

Only for functional purposes, notably in architecture

such that its symptoms cannot be referred to any appreciable lesion or change of structure

• Bulgarian: функционален (funkcionalen)
• Danish: funktionel
• French: fonctionnel (fr)
• Irish: feidhmiúil

• Italian: funzionante (it)
• Kazakh: атқарымдық (atqarımdıq), қызметтік (qızmettik), функционалды (fwnkcïonaldı), функционалдық (fwnkcïonaldıq), функциялық (fwnkcïyalıq)
• Portuguese: funcional (pt)
• Spanish: funcional (es)

having semantics defined purely in terms of mathematical functions, without side-effects

• Czech: funkcionální (cs)
• Danish: funktionel
• Finnish: funktionaalinen (fi)
• German: funktional (de), funktions-, funktionell
• Greek: συναρτησιακός (el) (synartisiakós)

• Italian: funzionale (it)
• Polish: funkcyjny (pl)
• Russian: функциона́льный (ru) (funkcionálʹnyj)

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• Mandarin: ^{(please verify)} 功能 (zh)

Noun

functional (plural functionals)

1. (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 or complex valued) functions and whose value belongs to a monodimensional space. An example is the definite integration of integrable real functions in a real interval.
2. (mathematics, functional analysis) A scalar-valued linear function on a vector space.
3. (computing) An object encapsulating a function pointer (or equivalent).

Derived terms

• functional analysis
• functional analysis diagram
• linear functional

Translations

a function that takes a function as its argument

• Chinese:

  Cantonese: 泛函 (faan³ haam⁴)

  Mandarin: 泛函 (zh) (fànhán)

• Dutch: functionaal (nl)
• Finnish: funktionaali (fi)
• German: Funktional n
• Hungarian: funkcionál (hu)

• Italian: funzionale (it) m
• Japanese: 汎関数 (はんかんすう, hankansū)
• Kazakh: функционал (fwnkcïonal)
• Polish: funkcjonał m
• Russian: функциона́л (ru) m (funkcionál)
• Swedish: funktional (sv) c
• Turkish: işlevsi

an object encapsulating a function pointer

• Japanese: 関数オブジェクト (kansū obujekuto)

References

• functional on Wikipedia.Wikipedia

Further reading

• “functional” in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• “functional” in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• functional at OneLook Dictionary Search