adjective
or slum·brous ˈsləmb(ə)rəs
Etymology: Middle English slumbrous, from slumbir slumber + -ous
1.
a. : inclined to sleep : heavy with sleep : sleepy , somnolent
slumberous eyes
lifting … her slumberous little boy — Peggy Bennett
her heavy slumberous voice — Meridel Le Sueur
b. : calm , peaceful
a slumberous town
a slumberous Sunday in June — Maurice Walsh
2. : inviting or inducing slumber : soporific
a slumberous sound
the slumberous light is rich and warm — Alfred Tennyson
3. : marked by, accompanied by, or suggestive of sleep or a condition like sleep : lethargic
a slumberous peace pervaded every province — Pearl Buck
a slumberous administration
• slum·ber·ous·ly or slum·brous·ly adverb
• slum·ber·ous·ness noun -es