Definition that contains landes
- ji a clandestine group of southeast Asian terrorists organized in 1993 and trained by al-Qaeda; supports militant Muslims in Indonesia and the Philippines and has cells in Singapore and Malaysia and Indonesia
- intrigue a clandestine love affair
- sas a specialist regiment of the British army that is trained in commando techniques of warfare and used in clandestine operations (especially against terrorist groups)
- saboteur a member of a clandestine subversive organization who tries to help a potential invader
- haganah the clandestine military wing of the Jewish leadership during the British rule over the mandate of Palestine from 1920 to 1948; became the basis for the Israeli defense force
- revolutionary proletarian nucleus a clandestine group of leftist extremists who oppose Italy's labor policies and foreign policy; responsible for bombing building in the historic center of Rome from 2000 to 2002
- fifth columnist a member of a clandestine subversive organization who tries to help a potential invader
- jemaah islamiyah a clandestine group of southeast Asian terrorists organized in 1993 and trained by al-Qaeda; supports militant Muslims in Indonesia and the Philippines and has cells in Singapore and Malaysia and Indonesia
- action officer the case officer designated to perform an act during a clandestine operation (especially in a hostile area)
- spymaster someone who directs clandestine intelligence activities