Of or relating to narcotics, their effects, or their use.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Find another word for soporiferous. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for soporiferous, like: narcotic, soporific, somniferous, somnific, hypnogogic and hypnagogic.