What does the word superstition mean?

Usage examples for superstition

  1. In many instances mistaken kindness, in others ignorance and superstition, guided the past treatment of the insane. – Chapters in the History of the Insane in the British Isles by Daniel Hack Tuke
  2. Godwin used the new psychology against the old superstition of innate ideas. – Shelley, Godwin and Their Circle by H. N. Brailsford