deaden

• 动词，指减弱某事物的强度、力量或活力，如声音、疼痛或感觉。

A verb used to indicate the act of making something less intense, strong, or lively, such as sound, pain, or sensation.

1. Make less visible or obscureC1formal

   To make something vague, obscure, or less visible, such as an image or sound.

   减弱

   • The thick fog deadened the distant lights of the city.
   • The soundproofing deadened the noise from the street.
   • The artist used a technique to deaden the brightness of the colors.

   同义词clouddimdulleclipsemuffleobscureshroudveil

   反义词brightenclarifyilluminaterevealsharpen

2. Kill by girdlingC2formalscientific

   To cut a ring around a tree's bark to interrupt the flow of water and nutrients, causing it to die.

   环剥致死

   • The farmer deadened the old apple tree by girdling its trunk.
   • They deadened the invasive species by cutting a girdle around the base.
   • Girdling is a method used to deaden unwanted trees without chemicals.

   同义词girdle

3. Deprive of spirit or vitalityC1formal

   To make something vapid, dull, or lacking in spirit or excitement.

   使失去精神或活力

   • The repetitive routine deadened his enthusiasm for the job.
   • The constant criticism deadened her creative spirit.
   • The long meeting deadened the energy in the room.

   同义词benumbbluntdampendeflatedullenervatenumbquenchsapsmotherstiflesuppress

   反义词animateenergizeenliveninspiritinvigoratequickenstimulate

4. Reduce momentum or velocityC1formal

   To lessen the speed or force of movement.

   减弱速度

   • The sandbags deadened the impact of the crash.
   • The brakes deadened the car's momentum gradually.
   • The cushion deadened the fall of the heavy box.

   同义词bluntbrakecheckcurbcushiondampendecelerateretardslowsoften

   反义词acceleratehastenquickenspeed

5. Become lifeless or less activeC2formal

   To lose life, force, or vigor; to become less lively or intense.

   变弱

   • His interest in the project deadened over time.
   • The party deadened after midnight when most guests left.
   • Her enthusiasm deadened as the challenges grew.

   同义词abatediminishdullfadeflaglanguishwaneweaken

   反义词animateenliveninvigoratequickenrevivestimulate

6. Impair vigor or sensationC1formalmedical

   To make something less lively, intense, or vigorous; to weaken force, activity, or sensation.

   减弱

   • The cold weather deadened his fingers, making them numb.
   • The medication deadened the pain in his knee.
   • The long illness deadened her physical strength.

   同义词alleviateassuagebenumbbluntdampendiminishdullenervatemitigatemutenumbparalyzereducesapstiflestupefyweaken

   反义词animatearouseawakenenlivenexciteintensifyinvigoratequickensharpenstimulatestrengthen

7. Convert metallic mercury to powderC2formalscientific

   To transform metallic mercury into a grey powder of minute globules by shaking with chalk or fatty oil.

   汞粉化

   • The chemist deadened the mercury by shaking it with chalk.
   • In the old process, they deadened mercury to create a powder for medicinal use.
   • The technique to deaden mercury was used in traditional alchemy.

   同义词extinguishkill