Synonyms of functional in English:

functional


See definition of functional

adjective

1‘an ugly functional concrete building’

SYNONYMS

practical, useful, utilitarian, utility, workaday, serviceable

minimalist, plain, simple, basic

severe, spartan, ascetic, bare, modest, unadorned, undecorated, unornamented, unembellished, unostentatious, uncluttered, unfussy, without frills

impersonal, characterless, soulless, colourless, institutional, antiseptic, clinical

informal no frills

ANTONYMS

ornate, impractical

2‘the air vent needs clearing to keep it fully functional’

SYNONYMS

working, in working order, functioning, effective, usable, in service, in use

going, running, operative, operating, in operation, in commission, in action

informal up and running

ANTONYMS

out of order, malfunctioning