What does the word dampen mean?

Usage examples for dampen

  1. Apparently even the hardships of such a common sailor's lot could not dampen his ardour for adventure, for he made a number of voyages. – The Romance of Old New England Rooftrees by Mary Caroline Crawford
  2. Dorothy and Ned were evidently enjoying themselves as well as those at front, for, it seemed to Tavia that Dorothy's laugh had not rung out so jolly in many weeks- so much had happened lately to dampen mirthful spirits. – Dorothy Dale by Margaret Penrose