insane
very foolish, not sensible
wildly excited; enthusiastic
"a man who had gone mad"
"a crazy scheme"
"half-baked ideas"
"a screwball proposal without a prayer of working"
"the crowd went crazy"
"was crazy to try his new bicycle"
"had a crazy dream"
"wore a crazy hat"
"crazy about cars and racing"
"he is potty about her"
Some better place, Fitter for sickness and for crazy age.
出自:1 Henry VI , Shakespeare