unfunctional (adjective) useless: not working; not valuable
Sinonime: abortive, bootless, counterproductive, disadvantageous,
dysfunctional,
expendable,
feckless,
fruitless,
futile, good-for-nothing,
hopeless,
idle, impracticable,
impractical,
incompetent,
ineffective,
ineffectual,
inept, inoperative, inutile,
meaningless, no good, nonfunctional, of no use,
pointless, profitless, purposeless,
scrap,
stupid*,
unavailable, unavailing, unfunctional, unproductive, unprofitable, unpurposed, unusuable, unworkable,
vain, valueless,
waste,
weak,
worthlessAntonime: helpful,
usable,
useful,
valuable,
working,
worthwhile