1. The choicest or most essential or most vital part of some idea or experience
   "the heart and soul of the Republican Party"
   - kernel, substance, core, center [US], centre [Brit, Cdn], essence, gist, heart, inwardness, marrow, meat, nub, pith, sum, nitty-gritty

1. With complete faith
   "she was with him heart and soul"
   - body and soul

Type of: cognitive content, content, mental object

Encyclopedia: Heart and soul

• bluet
• bluethroat
• bluethroat pikeblenny
• bluetick
• bluetongue
• Bluetooth
• blueweed
• bluewing
• bluey
• bluff
• bluff out
• bluffer
• bluffly
• bluffness
• bluing
• bluish
• bluish black
• bluish green
• bluish-gray
• bluish-grey
• bluish-lilac
• bluish-purple
• bluish-violet
• bluish-white
• blunder