screwy

adjective4

1. •
   (informal) Crazy; silly; ridiculous

   • That's a screwy idea; I am not going to fly all the way to Antarctica just to see a penguin!
2. •
   (informal, no longer used) Tipsy; slightly drunk.

   • "A tipsy man," said Spearman, "is generally noisy ; and I confess I was screwy on Wednesday." — 1868
3. •
   (no longer used) Exacting; extortionate; close.
4. •
   (no longer used) Worthless.