1. done or caused by someone or some entity other than the two main parties involved in a transaction, agreement, or situation
The contract cannot be modified by third parties without consent from both original signatories.
O contrato não pode ser modificado por terceiros sem consentimento de ambas as partes originais.
2. involving external individuals or organizations not directly part of a primary relationship or agreement
The data was shared by third parties in violation of the privacy agreement.
Os dados foram compartilhados por terceiros em violação do acordo de privacidade.