1. An outdated or no longer used procedure, technique, or way of doing something that has been replaced by newer, more efficient alternatives
The company abandoned that obsolete method in favor of modern automation technology.
A empresa abandonou esse método obsoleto em favor da tecnologia moderna de automação.
2. A practice or approach that is considered old-fashioned and ineffective in contemporary contexts
Using typewriters is now considered an obsolete method of writing.
Usar máquinas de escrever agora é considerado um método obsoleto de escrita.