Synonyms of the word

slumberous

• adj. Sleepy, drowsy.
• adj. Sleep-inducing.

asleep

• adj. In a state of sleep; also, broadly, resting.
• adj. (slang) Inattentive.
• adj. (of a body part) Having a numb or prickling sensation accompanied by a degree of unresponsiveness.
• adj. (euphemistic) dead.

quiet

• adj. With little or no sound; free of disturbing noise.
• adj. Having little motion or activity; calm.
• adj. Not busy, of low quantity.
• adj. Not talking much or not talking loudly; reserved.
• adj. Not showy; undemonstrative.
• adj. (software) Requiring little or no interaction.
• v. To become quiet, silent, still, tranquil, calm.
• v. To cause someone to become quiet.
• n. The absence of sound; quietness.
• n. the absence of movement; stillness, tranquility.
• interj. Be quiet.

slumbery

• adj. (obsolete) Sleepy, slumberous.

slumbrous

• adj. Alternative form of slumberous.

somnolent

• adj. Drowsy or sleepy.
• adj. (dated) Causing literal or figurative sleepiness; soporific.