1. An unusual, remarkable, or outstanding method or procedure that differs from standard or conventional approaches
The researcher employed an exceptional method to solve the complex problem.
O pesquisador utilizou um método excepcional para resolver o problema complexo.
2. A special or extraordinary technique used in specific circumstances or emergency situations
The hospital adopted an exceptional method to treat the rare disease.
O hospital adotou um método excepcional para tratar a doença rara.