Definitions of clandestine
secret; hidden. If something is clandestine then it is planned or done in secret, especially if it is something illegal, unauthorized, or not allowed.
The abandoned house had been used as a clandestine drugs laboratory.
There are multiple definitions - click on the translation that matches your context.
melléknév
full
adjective
secret; hidden. If something is clandestine then it is planned or done in secret, especially if it is something illegal, unauthorized, or not allowed.
The abandoned house had been used as a clandestine drugs laboratory.