clandestine
adjectivemasculine/klɐ̃dɨʃˈti.nu/medium
clan·des·ti·no
Definition
Kept or done in secret, especially to conceal an illegal or improper purpose.
They held clandestine meetings to plan the protest.
The authorities discovered a clandestine laboratory.
Common collocations
clandestine immigrantclandestine meetingclandestine press
Etymology
Do latim 'clandestinus'.