Somnific

//sɒmˈnɪf.ɪk// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Causing sleep; somniferous.
Adjective
  1. 1
    sleep inducing wordnet

Synonyms

All synonyms
drowsyhypnagogichypnogogicsleepyslumberoussnoozy

Etymology

From Latin somnificus, from somnus (“sleep”) + facere (“to make”). By surface analysis, somn- + -ific.

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