Synonyms and Antonyms of soporific
tending to cause sleep <this medication is soporific, so do not drive after taking it> Synonyms drowsy, narcotic, opiate, sleepy, slumberous (or slumbrous), somniferous, somnolent, hypnoticRelated 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, stupefyingNear Antonyms arousing, awakening, energizing, invigorating, rousing, stimulating, wakening, waking; bracing, refreshing, restorative, reviving, stimulative, stimulatoryAntonyms stimulant
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