A secretive look; a secretive whisper.
His mother must have been secretive as well.
I'm not all that secretive, but you were the one who kept telling me that if he wanted you to know, he'd tell you.
Alex was secretive and he did like to be in control.
He could only steer them towards the Underground Railroad, the secretive systems of bunkers and tunnels running beneath major cities that were developed by the PMF during the ten-year war.
He's always been secretive, and whenever I ask him, he just tells me it's something I don't want to be involved in.