What does the word heartache mean?

Usage examples for heartache

  1. Only he himself knew the heartache, the loneliness, the almost unbearable longing of the past winter months while Billy had lived at Hillside; and only he himself knew now the almost overwhelming joy that was his because of what he thought he saw in Billy's changed attitude toward himself. – Miss Billy by Eleanor H. Porter
  2. Suddenly Ellen Brewster and her own heartache and longing came to the front. – The Portion of Labor by Mary E. Wilkins Freeman
  3. 6. Heartache 7. If he were ill with-. – Games For All Occasions by Mary E. Blain