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Somniferous has 4 synonyms. The top synonyms for somniferous are soporiferous, somnific, soporific, depressant. Another word for somniferous is soporiferous. Browse the full list below.
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| Random | DefinitionA common synonym for somniferous is soporiferous. Other synonyms include somnific, soporific, depressant.
Somniferous has 4 synonyms listed on Thesaurasize.
(adj): causing or inducing sleep
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