soporiferous

• Adjectif rare ou littéraire signifiant qui provoque le sommeil ou la somnolence, ou qui endort; peu courant en anglais moderne.

An obsolete adjective meaning tending to induce sleep or drowsiness; rarely used in modern English.

1. Sleep-inducingC2formal

   Tending to cause sleep; having a soporific effect.

   somnifère

   • The soporiferous drone of the professor's lecture made several students nod off.
   • The warm milk had a soporiferous quality that helped him fall asleep.
   • The gentle, soporiferous rhythm of the rain on the roof was very calming.

   Synonymeshypnoticnarcoticopiatesedativesomniferoussoporific

   Antonymesinvigoratingrousingstimulatingwakening

2. Causing mental lethargyC2formal

   Inducing a state of mental dullness, drowsiness, or lethargy.

   soporifique

   • The repetitive, soporiferous task made it hard to stay focused.
   • The long, soporiferous meeting drained all his energy.
   • The soporiferous atmosphere of the quiet library made him feel sluggish.

   Synonymesdrowsynarcoticopiatesomniferoussoporificstupefying

   Antonymesenergizinginvigoratingstimulatingwaking