What does the word guess mean?

Usage examples for guess

  1. You are right there, I guess. – Kenelm Chillingly, Complete by Edward Bulwer-Lytton
  2. As old as this house and then some, I guess. – The Merriweather Girls and the Mystery of the Queen's Fan by Lizette M. Edholm
  3. I guess he's pretty well down and out these days. – The Hohenzollerns in America With the Bolsheviks in Berlin and other impossibilities by Stephen Leacock