1. A clear, coherent, and intelligible way of expressing oneself or acting; characterized by clarity of thought and expression
He explained the complex theory in a lucid manner.
Ele explicou a teoria complexa de uma maneira lúcida.
2. A transparent or easily understood approach to a problem or situation
She addressed the issue in a lucid way that everyone could understand.
Ela abordou a questão de uma maneira lúcida que todos puderam compreender.