creep

To move slowly with the abdomen close to the ground.

Of plants, to grow across a surface rather than upwards.

To move slowly and quietly in a particular direction.

To make small gradual changes, usually in a particular direction.

To move in a stealthy or secret manner; to move imperceptibly or clandestinely; to steal in; to insinuate itself or oneself.

To slip, or to become slightly displaced.

To move or behave with servility or exaggerated humility; to fawn.

To have a sensation as of insects creeping on the skin of the body; to crawl.

To drag in deep water with creepers, as for recovering a submarine cable.

To covertly have sex (with a person other than one's primary partner); to cheat with.