blood is thicker than water

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blood is thicker than water

  1. (family, idiomatic) Family relations and loyalties are stronger than relationships with people who are not family members.
    • 1866, Anthony Trollope, chapter 30, in The Belton Estate:
      Blood is thicker than water, is it not? If cousins are not friends, who can be?
    • c. 1915, Lucy Fitch Perkins, The Scotch Twins, ch. 5,
      The old clans are scattered now, but blood is thicker than water still, and you're welcome to the fireside of your kinsman!



  • Gregory Y. Titelman, Random House Dictionary of Popular Proverbs and Sayings, 1996, →ISBN, p. 32.