What does the word sharp mean?

Usage examples for sharp

  1. If you are sharp it will make your fortune. – Hoosier Mosaics by Maurice Thompson
  2. There, sharp and sudden, there I heard- 'Ah! – Georgian Poetry 1913-15 by Edited by E. M. (Sir Edward Howard Marsh)
  3. She gave a sharp and sudden cry, and her face went as pale as a dead face. – Cleek: the Man of the Forty Faces by Thomas W. Hanshew