1. Sleep inducing
   "The soporific effects of the medication made driving dangerous";
   - soporiferous, somniferous, somnific
    
2. Inducing mental lethargy
   "The professor's soporific lecture had students nodding off";
   - narcotic, soporiferous

1. A drug that induces sleep
   "The doctor prescribed a mild soporific to help with his insomnia";
   - hypnotic

Derived forms: soporifics

See also: depressant, lame, lameo [informal], meh [informal], uninspiring, uninteresting

Type of: drug, hypnagogue

Encyclopedia: Soporific