Rapport definition : relation; connection, especially harmonious or sympathetic relation.. See examples of RAPPORT used in a sentence. Definition of rapport in the Definitions.net dictionary. Meaning of rapport . What does rapport mean ? Information and translations of rapport in the most comprehensive dictionary definitions resource on the web. Rapport is a crucial element in human interaction, representing a harmonious connection or relationship characterized by understanding, empathy, and a sense of mutual respect. The meaning of RAPPORT is a friendly, harmonious relationship characterized especially by agreement, mutual understanding, or empathy that makes communication possible or easy.