Not have a leg to stand on.
[Idiom] NOT HAVE A LEG TO STAND ON. - How to Ensure Your Arguments are Strong and Convincing
Lack support for arguments.
'Not have a leg to stand on' is used to describe a situation where someone lacks the necessary evidence or support to justify their arguments or claims. Imagine trying to sit on a chair with its legs removed; it's impossible. This idiom applies to scenarios where, during debates or discussions, a person’s points may be easily refutable due to a lack of substantive proof or logic.
Example Sentences
Without evidence, you don’t have a leg to stand on.
Without proof, you don’t have any solid basis for your argument.
She realized she didn’t have a leg to stand on without the reports.
She understood that without the necessary documents, her argument was weak.
They couldn't argue their case because they didn't have a leg to stand on.
They couldn't defend their position without proper evidence.