1. A secret or hidden method, process, or course of action carried out in a way designed to avoid notice or detection
The organization used clandestine procedures to operate without government oversight.
A organização utilizava procedimentos clandestinos para operar sem supervisão governamental.
2. An illegal or covert operation conducted in secrecy
Intelligence agencies often employ clandestine procedures to gather information.
As agências de inteligência frequentemente empregam procedimentos clandestinos para coletar informações.