What does the word overplus mean?

Usage examples for overplus

  1. They had to start at the very beginning, and that, too, with an overplus of criminal population. – Six Letters From the Colonies by Robert Seaton
  2. The well- known character in the service whose hoisting a demijohn for a flag I have before mentioned, and who found this great overplus above him, was credited with saying that those of them who did not drink themselves to death would strut themselves to death- a comment which testified rather to the warmth of his feelings than to the merits of the case. – From Sail to Steam, Recollections of Naval Life by Captain A. T. Mahan
  3. And his romantic attitude toward the truth was merely a brilliant overplus of imagination without which life would be insufferably dull. – Kenny by Leona Dalrymple