soporific ˌsɒpəˈrɪfɪk/ adjective adjective: soporific tending to induce drowsiness or sleep. “the motion of the train had a somewhat soporific effect” sleepy or drowsy. “some medicine made her soporific” tediously boring or monotonous. “a libel trial is in large parts intensely soporific” synonyms: sleep-inducing, somnolent, sedative, calmative, tranquillizing, narcotic, opiate, drowsy, sleepy, somniferous; boring, dull, deadly dull, monotonous; hypnotic; raresomnific “soporific drugs” antonyms: invigorating noun: soporific; plural noun: soporifics a drug or other substance that induces drowsiness or sleep. synonyms: sleeping pill, sleeping potion, sedative, calmative, tranquillizer, narcotic,…
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