What does the word baleful mean?

Usage examples for baleful

  1. My last impression as I left the room was of the baleful, dead, challenging stare of the man's wildcat eyes. – The Killer by Stewart Edward White
  2. He saw himself stealing down a long corridor to the door of a big room strewn with books and papers, that through some baleful and mysterious spell could not be made to open at all hours. – The Valiants of Virginia by Hallie Erminie Rives