1. A way of doing something that is not standard, typical, or conventional; an unconventional approach or procedure
The teacher used an unusual method to explain complex mathematics to the students.
A professora usou um método incomum para explicar matemática complexa aos alunos.
2. A technique or procedure that differs from established or accepted practices
His unusual method of problem-solving impressed the entire research team.
Seu método incomum de resolver problemas impressionou toda a equipe de pesquisa.