What does the word mongrel mean?

Usage examples for mongrel

  1. " Surely, that is not one of your dogs," exclaimed Bessie, looking with some disfavor on an ugly white mongrel, with a black patch over one eye; her attention was attracted by the creature's ugliness. – Our Bessie by Rosa Nouchette Carey
  2. This mongrel construction of the word that, were its justification possible, is common enough in our language to be made good English. – The Grammar of English Grammars by Goold Brown
  3. A mongrel of no value whatever! – The Thing from the Lake by Eleanor M. Ingram