What does the word instinct mean?

Usage examples for instinct

  1. He was young, but had an instinct for understanding women. – Hetty Wesley by Sir Arthur Thomas Quiller-Couch
  2. It was woman's instinct to save the race! – The Call of the Canyon by Zane Grey
  3. Val, who had quite a brute instinct of sympathy, knew that she did dislike it very much. – Leonore Stubbs by L. B. Walford