nonfunctional

Synonyms:

malfunctioning

amiss, awry, haywire, wrong

not functioning properly

bad, defective

not working properly

out of whack

out of balance or out of adjustment

run-down

having the spring unwound

Antonyms:

functioning

performing or able to perform its regular function

functional, operative, running, working

(of e.g. a machine) performing or capable of performing

up

(used of computers) operating properly

show more antonyms...

Synonyms

nonstructural

not structural

cosmetic, decorative, ornamental

serving an esthetic rather than a useful purpose

unserviceable

not ready for service

Antonyms:

functional

designed for or capable of a particular function or use

structural

affecting or involved in structure or construction

useful, utilitarian

having a useful function

serviceable

ready for service or able to give long service

show more antonyms...