skulk

/skʌlk/
verb
  1. To move or hide in a stealthy, secretive way, often because of fear, guilt, or a bad intention.
    • He skulked in the shadows outside the building, hoping not to be seen.
    • Instead of facing his mistake, he skulked away from the group.
    • The cat skulked behind the bushes, waiting to pounce on the mouse.
Antonyms
noun
  1. A person who skulks; someone who moves or hides in a sneaky or cowardly way.
    • Don't be such a skulk — come out and talk to us.
    • The villagers whispered about the skulk who lived in the forest.
    • The old skulk was known for lurking around the docks at night.