soporific

¹sop·o·rif·ic

adj \ˌsä-pə-ˈri-fik\

Definition of SOPORIFIC

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

Examples of SOPORIFIC

1. the soporific heat of summer
2. <this medication is soporific, so do not drive after taking it>

Origin of SOPORIFIC

probably from French soporifique, from Latin sopor deep sleep; akin to Latin somnus sleep — more at somnolent

First Known Use: 1665

Related to SOPORIFIC

Synonyms: drowsy, narcotic, opiate, sleepy, slumberous (or slumbrous), somniferous, somnolent, hypnotic

Antonyms: stimulant

Related Words: depressant, relaxant, sedative, tranquilizing (also tranquillizing); calming, comforting, lulling, pacifying, quieting, relaxing, restful, settling, soothing; analgesic, anesthetic, anesthetizing, benumbing, deadening, dulling, numbing; hypnotizing, mesmerizing, stupefying

Near Antonyms: arousing, awakening, energizing, invigorating, rousing, stimulating, wakening, waking; bracing, refreshing, restorative, reviving, stimulative, stimulatory

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Other Pharmacology Terms

anodyne, cathartic, emetic, emollient, liniment, paregoric, poultice, purgative, spectrum

Rhymes with SOPORIFIC

anaglyphic, beatific, calorific, colorific, felicific, frigorific, hieroglyphic, honorific, scientific, South Pacific, sudorific, tenebrific