1. not difficult to do, no truth in something
there's really nothing to it
When you say 'there is nothing to it', you mean that the task is simple or easy and there is no difficulty involved. "You'll learn how to use the program very quickly, it's very intuitive - there's nothing to it!" when talking about a rumour if you say 'there is nothing to it', it means that you don't believe that it is true. "Stephen was worried about a rumour he heard about lay-offs but I spoke to head management this morning and I want to assure you there is nothing to it." You will hear this expression used both in social and professional contexts.