ineffective Synonyms

inefficient ineffectual unavailing fruitless futile inoperable unproductive impotent incapable powerless unsuccessful useless vain abortive unable unskillful no-account nonfunctional unpractical meaningless no-good no-win non-negotiable dysfunctional wasted unfitted wasteful weak void weakened weak-kneed worthless unprofitable valueless unadjusted unavailable unplaced nonproductive unworkable unequipped uninfluential unpersuasive unratified unrenewed unrewarding unserviceable untalented untheatrical no avail not working