What does the word regret mean?

Usage examples for regret

  1. But Silver, from the other boat, looked sharply over and called out to know if that were me; and from that moment I began to regret what I had done. – Treasure Island by Robert Louis Stevenson
  2. Do this- drive this man away- and you shall have no reason to regret it. – The Living Link by James De Mille
  3. It cannot be that you should really regret that I have got out of that trouble. – Ralph the Heir by Anthony Trollope