signed and sealed | signed, sealed and deliveredidiomPart ofdeliversigned and sealed | signed, sealed and deliveredsigned and sealed | signed, sealed and delivered — idiomidiom1. Completely finished and made official, especially after signing documents.1.idiomDefinitionCompletely finished and made official, especially after signing documents.ExampleThe contract is signed and sealed, so we can start work next week.Once the deal is signed and sealed, we will celebrate.