1. to refuse to accept or approve changes, alterations, or amendments to something
The committee decided to reject modifications to the original proposal.
O comitê decidiu rejeitar as modificações da proposta original.
2. to decline proposed revisions or adjustments to a document, plan, or system
The editor will reject modifications that compromise the document's integrity.
O editor vai rejeitar modificações que comprometam a integridade do documento.