Inadequate, Inane, Ineffective, Ineffectual, Infertile, Inoperative, Insipid, Invalid, Jejune, Leached, Leaden, Lifeless, Menopausal, Pale, Pallid, Pedestrian, Plodding, Pointless, Poky, Ponderous, Profitless, Prophylactic, Pure, Sanitary, Slow, Solemn, Spiritless, Stale, Stiff, Stodgy, Stuffy, Superficial, Tasteless, Tedious, Unavailing, Uncontaminated, Uncreative, Uncultivated, Unfruitful, Uninfected, Uninspired, Unpolluted, Unproductive, Unprofitable, Unrewarding, Useless, Vain, Vapid, Virgin, Waste, Wasted, Wooden, Abortive, Antiseptic, Arid, Aseptic, Bare, Barren, Blah, Blank, Bloodless, Boiled, Bootless, Celibate, Characterless, Childless, Cold, Counterproductive, Dead, Decontaminated, Desert, Desolate, Disinfected, Dismal, Drained, Dreary, Dry, Dull, Dusty, Effete, Elephantine, Empty, Exhausted, Fade, Fallow, Fatuous, Feckless, Flat, Fruitless, Futile, Gaunt, Heavy, Hollow, Hygienic, Impotent