1. To make the intended goal or reason for something unclear, hidden, or difficult to understand
The complicated legal language was designed to obscure the purpose of the contract.
A linguagem jurídica complicada foi elaborada para obscurecer o propósito do contrato.
2. To deliberately conceal the true intentions or objectives behind an action
They used misleading statements to obscure the purpose of their investigation.
Eles usaram declarações enganosas para obscurecer o propósito da investigação.