1. Evidence or proof whose validity, reliability, or relevance can be questioned or disputed
The witness testimony was considered debatable evidence in the trial.
O testemunho da testemunha foi considerado uma prova discutível no julgamento.
2. A piece of evidence that is open to interpretation and lacks absolute certainty
The scientific findings were debatable proof at best.
Os achados científicos eram na melhor das hipóteses uma prova discutível.