1. A traditional or outdated way of doing something; a technique or procedure that has been used for a long time and may no longer be the most efficient or modern approach
The company decided to abandon the old method in favor of new technology.
A empresa decidiu abandonar o método antigo em favor da nova tecnologia.
2. A conventional approach that contrasts with newer, more contemporary practices
She still prefers the old method of handwriting letters.
Ela ainda prefere o método antigo de escrever cartas à mão.