What does the word verge mean?

Usage examples for verge

  1. She was on the verge of insanity. – Sketches and Studies in Italy and Greece, Vol III. by John Symonds
  2. A certain degree of friendship had existed between the two men, which had often trembled on the verge of intimacy. – Red Pottage by Mary Cholmondeley
  3. If he should smile at her, she knew she should smile, for she was on the verge of laughing anyway. – Patty's Suitors by Carolyn Wells