'Soporiferous' definitions:

Definition of 'soporiferous'

From: WordNet
adjective
Sleep inducing [syn: soporific, soporiferous, somniferous, somnific, hypnogogic, hypnagogic]
adjective
Inducing mental lethargy; "a narcotic speech" [syn: narcotic, soporiferous, soporific]

Definition of 'Soporiferous'

From: GCIDE
  • Soporiferous \Sop`o*rif"er*ous\, a. [L. soparifer; sopor a heavy sleep + ferere to bring.] Causing sleep; somniferous; soporific. "Soporiferous medicine." --Swift. [1913 Webster] -- {Sop`o*rif"er*ous*ly}, adv. -- {Sop`o*rif"er*ous*ness}, n. [1913 Webster]

Words containing 'Soporiferous'