1. A path, route, or way that is prohibited or not allowed to be used
The bridge was a forbidden path after the structural damage was discovered.
A ponte era um caminho interdito após a descoberta dos danos estruturais.
2. Figuratively, an action, pursuit, or course of conduct that is not permitted or socially unacceptable
He knew that relationship was a forbidden path given the circumstances.
Ele sabia que aquele relacionamento era um caminho interdito dadas as circunstâncias.