Surely no one would be foolish enough to lend him the money?I was young and foolish at the time.

I would not say anything so foolish.It's the least that foolish man can do for.

Yes, I feel rather foolish now.Absurd (adj.) absurd; crazy; donkeyish; dotty; fantastic; feeble-minded; foolhardy; frivolous; harebrained; idiotic; idleheaded; ill-considered; imbecilic; insane; irrational; loony; loopy; lunatic; mad; nonsensical; preposterous; ridiculous; sappy; stupid; tomfool; unearthly; useless; wacky; zany.