Slim pickings is an idiom that means there is very little to choose from. It can be used to describe a situation where there are few options or resources available. In this crossword, the solutions for slim pickings are CRUMBS (6 letters) and nits (4 letters). CRUMBS are small pieces of food that are left behind after eating, while nits are the eggs of lice. Both of these words are used to describe something that is scarce or limited.