What does the word knave mean?

Usage examples for knave

  1. The soul refin'd Is most inclin'd To every moral excellence; All vice is dull, A knave's a fool; And virtue is the child of sense. – The Poetical Works of Edward Young, Volume 2 by Edward Young
  2. Patrick merely wished to be informed who the man was, and whether he had a title, and was much of a knave: and particularly Patrick would have liked to be informed of the fellow's religion. – The Complete Project Gutenberg Works of George Meredith by George Meredith