Somniferous

//sɒmˈnɪfəɹəs// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    causing or inducing sleep, normally with harmful overtones.
Adjective
  1. 1
    sleep inducing wordnet

Synonyms

All synonyms
analgesicanodynecalmativedepressantdrowsyhypnagogic

Etymology

From Latin somnifer + -ous, from somnus (“sleep”) + ferre (“to bring”).

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