| let someone slide let (someone/something) slide to not do anything about someone or something. She misbehaved a bit when she got here, and I let her slide because she was in a strange city. It's easy to let exercise slide when you feel bad, but that's when you need it the most. Usage notes: often used in the form let it slide: Kids don't like practicing because of the repetition, and some coaches tend to let it slide. |