1. Methods or procedures that are no longer in use or are outdated due to technological advancement or replacement by more efficient alternatives
The company abandoned obsolete techniques in favor of modern automation.
A empresa abandonou técnicas obsoletas em favor da automação moderna.
2. Outdated practices that have been superseded by newer, more effective approaches
Teaching obsolete techniques wastes students' time and resources.
Ensinar técnicas obsoletas desperdiça o tempo e os recursos dos alunos.