What does the word pollute mean?

Usage examples for pollute

  1. You pollute the air! – The Red Cockade by Stanley J. Weyman
  2. I, myself, who was not born within her walls, offer up prayers for her prosperity, that want may never visit her cottages, vice her palaces, and that the abomination of idolatry may never pollute her temples. – Lavengro The Scholar, The Gypsy, The Priest by George Borrow