1. to reduce in rank, prestige, or esteem; to lower in character or quality
The scandal debased his reputation in the eyes of the public.
O escândalo degradou sua reputação aos olhos do público.
2. to reduce the value or quality of something, especially by mixing with inferior substances
Counterfeiters debase the currency by mixing cheaper metals with gold.
Os falsificadores degradam a moeda misturando metais mais baratos com ouro.
3. to behave in a way that is beneath one's dignity
He refused to debase himself by begging for forgiveness.
Ele recusou-se a se degradar pedindo desculpas.