1. causing or inviting sleep; drowsy
Usage: literary
2. peaceful and quiet in a way that suggests sleep
Usage: literary

Examples

• The slumbrous afternoon heat made everyone feel drowsy.
• She spoke in a slumbrous voice that was barely above a whisper.
• The slumbrous village seemed untouched by the modern world.
• A slumbrous calm settled over the lake at sunset.
• The warm, slumbrous atmosphere of the library was perfect for reading.
• His slumbrous eyes suggested he had just awakened from a nap.