1. to evaluate or verify whether someone or something is reliable, honest, and deserving of trust
We need to test the trustworthiness of the new supplier before signing the contract.
Precisamos testar a confiabilidade do novo fornecedor antes de assinar o contrato.
2. to assess the credibility and integrity of a person or entity through examination or trial
The investigation aimed to test the trustworthiness of the witness's testimony.
A investigação teve como objetivo testar a confiabilidade do depoimento da testemunha.