1. A strict, severe, or rigorous alteration or modification that leaves little room for flexibility or exceptions
The company implemented stringent changes to its safety protocols after the incident.
A empresa implementou mudanças rigorosas em seus protocolos de segurança após o incidente.
2. Demanding modifications that are strictly enforced and difficult to bypass
The government imposed stringent changes to environmental regulations.
O governo impôs mudanças rigorosas nas regulamentações ambientais.