Slumber adjectives are listed in this post. Each word below can often be found in front of the noun slumber in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing SLUMBER.
blissful, brief, broken, calm, dead, deadly, deathlike, deep, deeper, deepest
delicious, disturbed, dogmatic, dreamless, dreamy, drunken, easy, eternal, fatal, feverish
first, fitful, gentle, golden, happy, heavy, induced, last, leaden, lethargic
light, like, little, long, magic, more, natural, peaceful, pleasant, profound
quiet, refreshing, restful, restless, short, silent, soft, sound, spiritual, such
sweet, sweetest, tranquil, troubled, unbroken, unconscious, undisturbed, uneasy, unquiet
Hope this word list had the adjective used with slumber you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.