1. techniques, approaches, or procedures that cause damage, injury, or negative effects
The company was criticized for using harmful methods in their manufacturing process.
A empresa foi criticada por usar métodos prejudiciais em seu processo de fabricação.
2. practices that are detrimental to health, safety, environment, or well-being
Harmful methods of child discipline can lead to psychological damage.
Métodos prejudiciais de disciplina infantil podem causar danos psicológicos.