1. Loss of memory, either partial or complete, typically caused by brain injury, shock, or illness
After the accident, the patient suffered from amnesia and couldn't remember the past five years.
Após o acidente, o paciente sofria de amnésia e não conseguia se lembrar dos últimos cinco anos.
2. A convenient forgetting of something unpleasant
The politician seems to have amnesia about his previous promises.
O político parece ter amnésia sobre suas promessas anteriores.