extremely close friendship; getting along extremely well
A classical Chinese-derived expression describing a deep, unbreakable friendship where nothing can come between the two people. Used in formal or literary contexts.
They have formed an extremely close friendship.
The phrase 莫逆の交わり describes a very intimate friendship.
Both are classical expressions for deep friendship. 刎頸の交わり implies a willingness to die for each other, while 莫逆の交わり stresses harmony and the absence of conflict.
From classical Chinese. 莫逆 means 'nothing contrary' or 'no opposition,' and 交わり means 'friendship' or 'association.' The phrase originally described a friendship so harmonious that no disagreement could arise.