What does the word lessen mean?

Usage examples for lessen

  1. Here was a fine opportunity to lessen the numbers of the enemy, for the rustlers, careless for the moment, were peering over their breastwork to see what all the noise was about, not dreaming that two pairs of eyes three hundred yards away were calculating the range. – Hopalong Cassidy by Clarence E. Mulford
  2. It would lessen her terror if she could just see what had happened and how she looked. – Pee-wee Harris by Percy Keese Fitzhugh
  3. Yes, darling, I know my sympathy helps you, but I mean, I can't do anything to lessen your sorrow at losing Gladys. – Marjorie's New Friend by Carolyn Wells