英英辞典 - English Dictionary | CUERBO - クエルボ英語辞書

soporific

noun

  1. a drug that induces sleep

    睡眠を引き起こす薬

adjective

  1. inducing mental lethargy

    精神的な無気力を引き起こす

  2. sleep inducing

    睡眠誘発

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