soporiferous

Definitions of soporiferous
  1. adjective
    sleep inducing
    synonyms: hypnagogic, hypnogogic, somniferous, somnific, soporific
    depressant
    capable of depressing physiological or psychological activity or response by a chemical agent
  2. adjective
    inducing mental lethargy
    synonyms: narcotic, soporific
    uninteresting
    arousing no interest or attention or curiosity or excitement
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