Lifeblood

The indispensable source of energy or support that keeps something thriving.

Reach for it when identifying a sustaining contribution whose removal would seriously weaken a group or activity

Daily readers are the lifeblood of the independent neighborhood newspaper.

• playful

  fuel

  an input supplies energy for continued effort

  not when Fuel is consumed by the process, unlike people or relationships that should be renewed.

• everyday

  backbone

  a dependable group or structure provides core support

  not when Backbone emphasizes structural strength, while lifeblood conveys continuing energy and renewal.

• warm

  heart

  the emotional or human center deserves recognition

  not when Heart locates identity and feeling but may not be the practical sustaining resource.

• professional

  engine

  a force actively drives growth or activity

  not when Engine suggests propulsion and output rather than nourishment.

• professional

  mainstay

  one reliable element supports long-term stability

  not when A mainstay can be static and need not circulate energy through the whole organization.

• formal

  cornerstone

  a foundational element supports everything built around it

  not when A cornerstone establishes a base; lifeblood is an ongoing supply.

• literary

  vital force

  animating energy is the central image

  not when Vital force is abstract and can sound mystical in operational writing.

• drain
• liability
• weakness
• deadweight

• economic lifeblood

  Small manufacturers remain the economic lifeblood of the valley.

• lifeblood of the community

  Shared meals are the lifeblood of the community during hard winters.

• creative lifeblood

  Curious apprentices became the workshop's creative lifeblood.