potent Antonyms

impotent meek spiritless tenancy thready watery timid unable uncapable sisyphean sickly rewardless mild motiveless otiose passive poor powerless purportless resultless unfruitful unsuccessful useless counterpotent counterproductive unproductive self-effacing self-defeating sub-par uneffective uninfluential to no purpose dysfunctional vain violable waterish weak unimportant unprofitable unavailing no-win unremunerative light abortive depolarization diluted etiolated feeble female feminine