• (RP) IPA: /slʌmbə/
• (GA) enPR: slŭmʹbər, IPA: /ˈslʌmbɚ/

slumber (plural slumbers)

1. A very light state of sleep, almost awake.

   • He at last fell into a slumber, and thence into a fast sleep, which detained him in that place until it was almost night.

   • 1599, William Shakespeare, “The Tragedie of Ivlivs Cæsar”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act II, scene i]:

     Fast asleep? It is no matter; / Enjoy the honey-heavy dew of slumber.

   • Rest to my soul, and slumber to my eyes.

2. (figurative) A state of ignorance or inaction.
   • 2009, Ben-Ami Scharfstein, Art without borders: a philosophical exploration of art and humanity

     Marcel Duchamp's urinal and readymades seemed in the beginning to be insider jokes or jokelike paradoxes meant to awaken people from their aesthetic slumbers.

• French: somnolence
• German: Halbschlaf, Schlummer, Schläfchen
• Italian: sonnolenza, dormiveglia
• Portuguese: pestana, soneca, cochilo
• Russian: сон
• Spanish: adormecimiento, adormilamiento

slumber (slumbers, present participle slumbering; past and past participle slumbered)

1. (intransitive) To be in a very light state of sleep, almost awake.
   • 1611, The Holy Bible, […] (King James Version), imprinted at London: By Robert Barker, […], OCLC 964384981 ↗, Psalms 121:4 ↗:

     He that keepeth Israel shall neither slumber nor sleep.

2. (intransitive) To be inactive or negligent.
3. (transitive, obsolete) To lay to sleep.
4. (transitive, obsolete) To stun; to stupefy.

• French: somnoler
• German: schlummern, dösen
• Italian: dormiveglia, appisolarsi, assopirsi
• Portuguese: cochilar, dormitar
• Spanish: adormecer, adormilar, dormitar

• German: träumen
• Italian: appalugarsi
• Spanish: estar aletargado