say it: SLUHM-bur
slumber is a noun and verb meaning "a natural and periodic state of rest during which consciousness of the world is suspended". It carries 3 recorded senses.
a natural and periodic state of rest during which consciousness of the world is suspended
“he didn't get enough sleep last night”
“calm as a child in dreamless slumber”
a dormant or quiescent state
be asleep
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for slumber come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.