slumberous   (Sound)

The slumberous has 2 Senses.

• slumbrous, slumberous
• quiet and tranquil; "a slumberous June morning"
• 静かで穏やかな

• slumbrous, slumbery, slumberous, somnolent
• 眠気を誘う, うとうとした
• inclined to or marked by drowsiness; "slumberous (or slumbrous) eyes"; "`slumbery' is archaic"; "the sound had a somnolent effect"
• 眠たい