Moving sideways in a sneaky or cautious way.
Sidling can make people feel suspicious or cautious. It can also make people think of sneaky or secretive behavior.
Examples:
The cat is sidling up to the mouse.
He is sidling towards the door.
She is sidling away from the scary noise.
The raccoon is sidling around the garbage can.
The spy was sidling along the wall, trying not to be seen.
The snake was sidling closer and closer to the bird.