Meaning of FUNCTIONAL in English

FUNCTIONAL

/ ˈfʌŋkʃənl; NAmE / adjective

1.

practical and useful; with little or no decoration

SYN utilitarian :

Bathrooms don't have to be purely functional.

The office was large and functional rather than welcoming.

2.

having a special purpose; making it possible for sb to do sth or for sth to happen :

a functional disorder (= an illness caused when an organ of the body fails to perform its function)

a functional approach to language learning

These units played a key functional role in the military operation.

3.

( especially of a machine, an organization or a system ) working; able to work :

The hospital will soon be fully functional.

►  func·tion·al·ly / -ʃənəli; NAmE / adverb

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.