1. A policy, action, or decision that provokes disagreement, debate, or public disapproval due to its contentious nature or disputed consequences
The government's new tax reform is a controversial measure that has divided public opinion.
A nova reforma tributária do governo é uma medida controversa que dividiu a opinião pública.
2. An initiative or rule that generates significant dispute among stakeholders or the general population
The school implemented a controversial measure to restrict cell phone use in classrooms.
A escola implementou uma medida controversa para restringir o uso de celulares nas salas de aula.