What does the word haunt mean?

Usage examples for haunt

  1. " No, sir," Susan shuddered, " that dead body with the blood and the cards will haunt me always. – The Secret Passage by Fergus Hume
  2. In that note he cursed her with every conceivable term; told her that when she got it he would be at the bottom of the river, driven there by her conduct, and that if it was possible for the dead to come back and haunt people he'd do it. – Cleek: the Man of the Forty Faces by Thomas W. Hanshew