1. to make a problem less severe, serious, or intense; to reduce the negative impact or consequences of a problem
The government implemented new policies to mitigate the problem of unemployment.
O governo implementou novas políticas para atenuar o problema do desemprego.
2. to take measures to lessen or alleviate the effects of a problem
We need to mitigate the problem before it escalates further.
Precisamos atenuar o problema antes que ele escale ainda mais.