1. A procedure, technique, or way of doing something that is no longer in use or considered outdated due to the development of newer, more efficient alternatives
Using typewriters is an obsolete method in modern offices.
Usar máquinas de escrever é um método obsoleto nos escritórios modernos.
2. An outmoded practice or approach that has been superseded by contemporary standards or technology
That quality control process is an obsolete method; we've switched to automated testing.
Esse processo de controle de qualidade é um método obsoleto; mudamos para testes automatizados.