futility, waste, uselessness, pointlessness, idleness
waste (of money, time, etc.), squandering, frittering away
no good, not serving its purpose, useless, broken, hopeless, wasted, in vain, purposeless, cannot, must not, not allowed, neutral point, intersection owned by neither player at the end of a game, no!, stop!
penny candy, cheap individually wrapped sweets
geta, traditional Japanese wooden sandal, turn (in set-type proofing), upside-down character, net, geta