Soporiferous

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    soporific, sleep-inducing archaic

    "And she poured from a golden urn, into a cup of the same metal, the sombre-coloured beverage which she had mingled with the soporiferous juice of the nepenthe."

Adjective
  1. 1
    inducing mental lethargy wordnet
  2. 2
    sleep inducing wordnet

Synonyms

All synonyms
drowsyhypnagogichypnogogicnarcoticsleepyslumberous

Example

More examples

"And she poured from a golden urn, into a cup of the same metal, the sombre-coloured beverage which she had mingled with the soporiferous juice of the nepenthe."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.