Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “functional”

See all translations

functional

adjective uk   /ˈfʌŋk.ʃən.əl/ us  

functional adjective (USEFUL)

B2 designed to be practical and useful rather than attractive: functional clothing

functional adjective (WORKING NORMALLY)

(of a machine, system, etc.) working in the usual way: Is the central heating functional yet? performing a particular operation: a functional disorder (= when an organ does not work as it should)
(Definition of functional from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of functional?
Add Cambridge dictionaries to your browser to your website

Definitions of “functional” in other dictionaries

Word of the Day

cracker

a thin, flat, hard biscuit, especially one eaten with cheese

Word of the Day

Party Talk (The language of party chat)

by Kate Woodford,
December 23, 2014
​​​ With the party season in full swing (= at its busiest now), we consider the language of socializing (= enjoying yourself with other people). We’re looking especially at words and phrases which are used to describe the different ways that people behave at a party and the sort of conversations that party

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More