lurk

To wait out of view.

To move furtively; sneak.

To exist unobserved or unsuspected.

To read but not contribute to the discussion in a newsgroup, chatroom, or other online forum.

To lie in concealment; hide or keep out of sight, as for ambush or escape; skulk.

To be latent or undisclosed; be withdrawn from open manifestation; exist unperceived or unsuspected.

A trick of imposture; a swindling artifice; a cunning dodge.

The act of lurking or prowling.

To lie hidden; to lie in wait.

To keep out of sight.