Noun
- 1. soporific, hypnotic, drug, hypnagogue
- usage: a drug that induces sleep
Adjective
- 1. soporific, soporiferous, somniferous, somnific, hypnogogic, hypnagogic, depressant (vs. stimulative)
- usage: sleep inducing
- 2. narcotic, soporiferous, soporific, uninteresting (vs. interesting)
- usage: inducing mental lethargy; "a narcotic speech"
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All rights reserved.Definition and meaning of soporific (Dictionary)