noun
spiritual sympathy; spiritual communion
A somewhat literary or philosophical term for a deep, intuitive connection between spirits or minds, often implying a non-verbal, mystical bond.
彼らは言葉を交わさなくても、霊的交感で互いの気持ちがわかった。
Even without exchanging words, they understood each other's feelings through spiritual sympathy.
以心伝心 is a more common, idiomatic expression for non-verbal understanding, often used in everyday contexts, while 霊的交感 carries a more mystical or religious nuance.
Compound of 霊的 (spiritual) and 交感 (sympathy, communion). The exact origin is uncertain, but it likely emerged in modern philosophical or religious discourse.