Definition

1. Noun:
   • The most essential, vital, or central part of something: Refers to the core, foundation, or most important element of an idea, organization, or experience.
2. Adverb:
   • With complete commitment, faith, or enthusiasm: Describes doing something with all of one's energy, dedication, and belief.

Usage Examples

• Noun:
  • Trust is the heart and soul of any strong relationship.
  • The lead guitarist is considered the heart and soul of the band.
• Adverb:
  • She believes heart and soul in the cause she is fighting for.
  • He supported the project heart and soul from the very beginning.

Advanced Usage

• Used to personify the essential quality or driving force of a group or concept.
  • The community center is the heart and soul of this neighborhood.
• As an adverb, it often follows verbs like "believe in," "support," or "be with someone."
  • They are heart and soul dedicated to their work.

Variants and Related Words

• Core (n): The central or most important part.
• Essence (n): The intrinsic nature or indispensable quality of something.
• Gist (n): The main or essential part of a matter.
• Nub (n): The crux or central point of a matter.

Synonyms

• Noun: Core, essence, crux, nucleus, cornerstone, lifeblood.
• Adverb: Completely, fully, wholeheartedly, unreservedly, passionately.

Related Idioms

• Body and soul: A similar adverbial phrase meaning with all one's energy and commitment.
  • He threw himself into the task body and soul.
• With all one's heart: An idiomatic phrase meaning with deep sincerity and commitment.
  • She loved him with all her heart.

Adverb

1. with complete faith
   • she was with him heart and soul

Noun

1. the choicest or most essential or most vital part of some idea or experience
   • the gist of the prosecutor's argument
   • the heart and soul of the Republican Party
   • the nub of the story