1. A method or approach that systematically excludes or eliminates certain possibilities, options, or groups
The exclusionary method helped narrow down the suspect list in the investigation.
O método excludente ajudou a estreitar a lista de suspeitos na investigação.
2. In logic and mathematics, a process of elimination used to arrive at a conclusion by ruling out all other alternatives
Using an exclusionary method, we determined that only one solution was viable.
Usando um método excludente, determinamos que apenas uma solução era viável.