1. to reduce the strength, effectiveness, or validity of an intended goal or objective
Adding unnecessary clauses will weaken the purpose of the contract.
Adicionar cláusulas desnecessárias vai enfraquecer o propósito do contrato.
2. to undermine or diminish the main intention or aim of something
These delays weaken the purpose of our emergency response plan.
Estes atrasos enfraquecem o propósito do nosso plano de resposta a emergências.