Synonyms of unfunctional

1 Syllable

vain, weak, scrap

2 Syllables

pointless, idle, stupid, inept, waste, worthless, fruitless, bootless, scrapper, feckless

3 Syllables

meaningless, useless, valueless, futile, profitless, hopeless

4 Syllables

inutile, abortive, expendable, purposeless, unusable, unavailing, good-for-nothing, impractical, nonfunctional, incompetent, ineffectual, unworkable, dysfunctional, unusuable, unpurposed

5 Syllables

disadvantageous, unavailable, unprofitable, unproductive, ineffective, impracticable

6 Syllables

counterproductive, inoperative