CORDIAL meaning: 1. friendly, but formal and polite: 2. (of a feeling, especially dislike) strongly felt: 3. a…. Learn more. Cordially is an adverb derived from cordial, which means warm and friendly or giving heart. Learn how to use cordially in a sentence, its pronunciation, and its origin from Latin. The adverb cordially comes from the adjective cordial, which come from the Middle Latin word cordialis meaning "of or for the heart." Something that is done cordially has warmth and friendliness to it, like a host who greets people cordially at a party. Definition The term ' cordially ' is an adverb that conveys a warm, friendly, and sincere manner. Often used in both formal and informal communications, it reflects an invitation or expression that is welcoming and polite. For example, one might extend a 'cordial invitation' to an event, emphasizing the desire for the recipient to feel valued and appreciated. This word can also be used to describe interactions between individuals, suggesting that they are conducted with kindness and goodwill ...