Following these actions, many anarchists chose to go underground, resorting to "clandestine direct action" as their only means of struggle.

Is he becoming an advocate for clandestine military action instead of offering a cool, pro-fessional evaluation?

I asked her, thinking I had misjudged her reactions to the harsh realities of clandestine action.

Dozens of impresarios got a piece of the now clandestine action, battling, often bloodily, for control over neighbourhoods.

This, along with the improvement of the party's clandestine action, was the main focus of the congress.

His two attempts at clandestine action in the Resistance were amateurish failures.

What information did it contain that might justify the clandestine yet overt actions she had put in motion to obtain it?

It had been a strictly clandestine action, and anyone outside the group wouldn't have known what they were going to do.

The clandestine actions of the various European powers were, at the time, considered to be risking another 'Great War', alarming antiwar elements across the world.

Operation Postmaster, a British WW2 clandestine military action.