What does the word ominous mean?

Usage examples for ominous

  1. " Ye mean ye won't, I s'pose," remarked Pat, with ominous calm. – North, South and Over the Sea by M.E. Francis (Mrs. Francis Blundell)
  2. Her catching breath, her drawn and altered face were ominous of the end. – Emily Brontë by A. Mary F. (Agnes Mary Frances) Robinson
  3. But they heard in ominous silence. – Foul Play by Charles Reade Dion Boucicault