Somnifacient

//ˌsɑm.nəˈfeɪ.ʃənt// adj, noun

adj, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Any pharmaceutical product that causes sleep.
Adjective
  1. 1
    Inducing or causing sleep.

Synonyms

All synonyms
alcoholanalgesicanestheticanodynebarbbarbiturate

Etymology

From Latin somnus (“sleep”) + facio (“I make”).

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