It's when people who stay in touch are always polite to each other.
It means a friendly relationship.
He was doing his best to be cordial, but I could see by his face that he was skeptical. He and his neighbors had always had a cordial relationship, so he was confused when they began to ignore him.
cordial
Brazil and the Unites States have over the years enjoyed a cordial relationship. This relationship encompasses both countries' economies, politics, and social lives.
Not at all, it enjoys a cordial relationship with Greenland, but it is and remains a solid part of Denmark.
cordial is to be kind
"Cordial" is used in "To Kill a Mockingbird" to describe the relationship between Atticus Finch and Miss Maudie Atkinson. Miss Maudie shows Atticus warmth and friendliness, referring to him as "Atticus" rather than "Mr. Finch," highlighting the respectful and amicable nature of their relationship.
He and his neighbors had always had a cordial relationship, so he was confused when they began to ignore him.
A mellifluous couple is a couple who are polite & cordial to each other, and whose relationship appears to be & symbiotic.
Something that was NOT true about Chinese-Japanese relations? That their relationship was friendly and cordial.
cordial was invented in 1900
I appreciate your cordial reply.
The word "cordial" has two syllables.