undergird

• 动词，指为某事物提供支持或坚实的基础，既可指物理上的支撑，也可指抽象意义上的支撑。

A verb meaning to provide support or a strong foundation for something, either physically or metaphorically.

1. Provide moral supportC1formal

   To strengthen or support someone or something, especially emotionally or morally.

   支持

   • Her family's encouragement undergirded her during the difficult times.
   • The community's faith undergirds their efforts to rebuild.
   • His mentor's advice undergirded his decision to pursue a new career.

   同义词bolsterbuttressencouragestrengthensupportsustainuphold

   反义词demoralizeundermineweaken

2. Make secure underneathC1formal

   To provide a solid foundation or support from below, making something more stable or secure.

   从下面加固

   • Steel beams undergird the entire structure of the bridge.
   • The engineers undergirded the old building with new supports.
   • A strong financial plan undergirds the company's expansion strategy.

   同义词bolsterbracebuttressreinforceshore upstrengthensupportunderpin