soporific (n.)

  1. a drug that induces sleep

    [ Syn: hypnotic , hypnotic ]

    soporific (adj.)

  1. sleep inducing

    [ Syn: soporiferous , somniferous , somnific , hypnogogic , hypnagogic ]

  2. inducing mental lethargy; a narcotic speech

    [ Syn: narcotic , soporiferous ]

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.