1. feeling or expressing grief or sorrow
2. causing or suggesting sadness

Examples

• She gave a mournful sigh when she heard the news.
• The mournful sound of the violin filled the concert hall.
• His mournful expression showed how deeply he missed his friend.
• The dog’s mournful howl echoed through the night.
• The widow wore a mournful black dress to the funeral.
• A mournful melody played softly in the background.
• The abandoned house had a mournful, lonely appearance.