Adjacent Words

Soporific definitions

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Webster's 1828 Dictionary

SOPORIF'IC, a. [L. sopor, sleep, and facio, to make.] Causing sleep; tending to cause sleep; narcotic; as the soporific virtues of opium.
SOPORIF'IC, n. A medicine, drug, plant or other thing that has the quality of inducing sleep.

WordNet (r) 3.0 (2005)

adj
1: sleep inducing [syn: soporific, soporiferous, somniferous, somnific, hypnogogic, hypnagogic]
2: inducing mental lethargy; "a narcotic speech" [syn: narcotic, soporiferous, soporific] n
1: a drug that induces sleep [syn: soporific, hypnotic]

Merriam Webster's

I. adjective Etymology: probably from French soporifique, from Latin sopor deep sleep; akin to Latin somnus sleep — more at somnolent Date: 1665 1. a. causing or tending to cause sleep <soporific drugs> b. tending to dull awareness or alertness 2. of, relating to, or marked by sleepiness or lethargy II. noun Date: circa 1727 a soporific agent; specifically hypnotic 1

Oxford Reference Dictionary

adj. & n. --adj. tending to produce sleep. --n. a soporific drug or influence. Derivatives: soporiferous adj. soporifically adv. Etymology: L sopor sleep + -FIC

Webster's 1913 Dictionary

Soporific Sop`o*rif"ic (?; 277), a. [L. sopor a heavy sleep (akin to somnus sleep) + facere to make. See Somnolent, Fact.] Causing sleep; tending to cause sleep; soporiferous; as, the soporific virtues of opium. Syn: Somniferous; narcotic; opiate; anodyne.

Webster's 1913 Dictionary

Soporific Sop`o*rif"ic, n. A medicine, drug, plant, or other agent that has the quality of inducing sleep; a narcotic.

Collin's Cobuild Dictionary

Something that is soporific makes you feel sleepy. (FORMAL) ...the soporific effect of the alcohol. ADJ

Soule's Dictionary of English Synonyms

I. a. Somniferous, somnific, slumberous, soporiferous, narcotic, hypnotic, opiate, soporous. II. n. Narcotic, hypnotic, anaesthetic, opiate.

Moby Thesaurus

Amytal, Amytal pill, Demerol, Dolophine, H, Laodicean, Luminal, Luminal pill, M, Mickey Finn, Nembutal, Nembutal pill, Olympian, Seconal, Seconal pill, Tuinal, Tuinal pill, alcohol, aloof, amobarbital sodium, analgesic, anesthetic, anesthetized, anodyne, apathetic, barb, barbiturate, barbiturate pill, benumbed, black stuff, blah, blase, blue, blue angel, blue devil, blue heaven, blue velvet, calmant, calmative, calming, cataleptic, chloral hydrate, codeine, codeine cough syrup, comatose, deadening, depressant, depressor, desensitized, detached, disinterested, dolly, doped, downer, dozy, dreamy, drowsy, drugged, drugged with sleep, dull, goofball, half asleep, hard stuff, heartless, heavy, heavy with sleep, heavy-eyed, hebetudinous, heroin, hop, hopeless, horse, hypnotic, in a stupor, indifferent, insouciant, junk, knockout drops, languid, laudanum, lethargic, liquor, listless, lotus, lullaby, mandrake, meperidine, methadone, morphia, morphine, napping, narcoleptic, narcose, narcotic, narcotized, narcous, nightcap, nodding, nonchalant, numb, numbed, numbing, opiate, opium, oscitant, out of it, pacifier, pain killer, paregoric, passive, pen yan, phenobarbital, phenobarbital sodium, phlegmatic, pluckless, poppy, purple heart, quietener, quietening, rainbow, red, resigned, scag, secobarbital sodium, sedated, sedative, shit, slack, sleep-bringer, sleep-causing, sleep-compelling, sleep-drowned, sleep-drunk, sleep-filled, sleep-inducer, sleep-inducing, sleep-inviting, sleep-producer, sleep-provoking, sleep-swollen, sleeper, sleepful, sleeping draught, sleeping pill, sleepy, sluggish, slumberous, slumbery, smack, snoozy, sodium thiopental, somnifacient, somniferous, somnolent, soother, soothing, soothing syrup, spiritless, spunkless, stoic, stretchy, stupefied, stuporose, stuporous, supine, tar, torpid, tranquilizer, tranquilizing, turps, uncaring, unconcerned, uninterested, white stuff, withdrawn, yawning, yawny, yellow, yellow jacket