tooth ‧ less /ˈtuːθləs/ BrE AmE adjective
1 . someone who is toothless has no teeth:
a toothless old woman
a toothless smile/grin
He gave us a toothless grin.
2 . an organization that is toothless has no power to make people obey its rules:
Does the agency have the power to prosecute companies, or is it a toothless organization?