soporific

• 指能引起或促进睡眠的，具有催眠或使人困倦作用的。

Describes something that causes or tends to cause sleep; having a drowsy or sleep-inducing effect.

1. Causing sleepC2formal

   Tending to induce drowsiness or sleep.

   催眠的

   • The soporific effect of the medication made him feel drowsy.
   • The professor's monotone voice had a soporific effect on the students.
   • Warm milk is known to have mild soporific properties.

   同义词calmingdrowsyhypnoticnarcoticopiatesedativesleepysomniferoussomnolent

   反义词energizingexcitinginvigoratingrousingstimulatingwaking

2. Boring or tediousC2formal

   Extremely dull or monotonous, causing a feeling of sleepiness.

   令人昏昏欲睡

   • The lecture was so soporific that half the audience fell asleep.
   • The long, soporific meeting dragged on for hours.
   • His soporific speech failed to engage the audience.

   同义词boringdrearydullhumdrummonotonoustedioustiresomeuninteresting

   反义词engagingenthrallingexcitingfascinatinggrippinginterestingrivetingstimulating

• 指引起睡意或催眠的物质、药物，也指使人昏昏欲睡的事物。

A noun referring to a substance or agent that induces sleep, or something that causes drowsiness.

1. Sleep-inducing substanceC2formalmedical

   A drug or other agent that induces sleep.

   催眠药

   • The doctor prescribed a mild soporific to help with his insomnia.
   • Some herbal teas act as a natural soporific.
   • The soporific took effect within thirty minutes.

   同义词hypnoticnarcoticopiatesedative

   反义词stimulant