1. To formally approve or confirm final modifications or adjustments to a document, agreement, or project
The board will ratify final changes to the contract next week.
O conselho ratificará as mudanças finais do contrato na próxima semana.
2. To give official sanction to last-minute revisions in a formal or legal context
We need to ratify final changes before the document goes into effect.
Precisamos ratificar as mudanças finais antes do documento entrar em vigor.