somnifacient

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/ˌsɑm.nəˈfeɪ.ʃənt/

adjective

Inducing or causing sleep.

OriginLatin somnus →
Scrabble 19
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Meanings

adjective
  1. Inducing or causing sleep.
nounsomnifacient (plural somnifacients)

plural somnifacients

  1. Any pharmaceutical product that causes sleep.

Origin

  1. Latinsomnus“sleep”
  2. Englishsomnifacient

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

More words from Latin

Full word history & related roots →
Cite this entry
APA

somnifacient. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/somnifacient

MLA

“somnifacient.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/somnifacient. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “somnifacient,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/somnifacient.

Source: somnifacient on Wiktionary, CC BY-SA 4.0.