Informal chat is a type of conversation that is casual and relaxed. It is often used to catch up with friends or family, or to discuss topics of interest. The crossword solutions for the term informal chat are CAUSERIE (8 letters), CONFAB (6 letters), tete-a-tete (9 letters), and rap session (10 letters). CAUSERIE is a French term meaning an informal conversation. CONFAB is a slang term for a conversation. Tete-a-tete is a French phrase meaning a private conversation between two people. Rap session is a slang term for an informal discussion.