What does the word tart mean?

Usage examples for tart

  1. She reproached herself for the tart replies that had inflamed Jack. – The Mysterious Rider by Zane Grey
  2. He went himself to the Sailor's Rest, and drove the landlord and his servants wild by asking tart questions and storming when a satisfactory answer could not be supplied. – The Green Mummy by Fergus Hume
  3. She was tart again. – The Old Wives' Tale by Arnold Bennett