SOPORIFIC

narcotic, soporiferous, soporific

(adjective) inducing mental lethargy; “a narcotic speech”

soporific, soporiferous, somniferous, somnific, hypnogogic, hypnagogic

(adjective) sleep inducing

soporific, hypnotic

(noun) a drug that induces sleep

Source: WordNet® 3.1


Etymology

Noun

soporific (plural soporifics)

(pharmaceutical drug) Something inducing sleep, especially a drug.

(figuratively) Something boring or dull.

Synonyms

• See also soporific

Adjective

soporific (comparative more soporific, superlative most soporific)

(pharmaceutical effect) Tending to induce sleep.

(figuratively) Boring, dull.

Synonyms

• See also soporific

Source: Wiktionary


Sop`o*rif"ic, a. Etym: [L. sopor a heavy sleep (akin to somnus sleep) + facere to make. See Somnolent, Fact.]

Definition: Causing sleep; tending to cause sleep; soporiferous; as, the soporific virtues of opium.

Syn.

– Somniferous; narcotic; opiate; anodyne.

Sop`o*rif"ic, n.

Definition: A medicine, drug, plant, or other agent that has the quality of inducing sleep; a narcotic.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

14 June 2025

FELLOW

(noun) a member of a learned society; “he was elected a fellow of the American Physiological Association”


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Coffee Trivia

You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.

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