1. past tense and past participle of darken; made or became dark or darker

1. made dark or darker; having little or no light

Examples

• The sky darkened as storm clouds gathered overhead.
• She darkened the room by closing the heavy curtains.
• His mood darkened when he heard the bad news.
• The darkened theater was perfect for watching the movie.
• Years of sun exposure had darkened the wooden deck.
• The artist darkened the shadows to create more contrast.
• We walked through the darkened hallway using our phone flashlights.