Communiques are formal written or verbal messages that are often issued by governments or organizations. The word "communiques" typically refers to official statements, declarations or proclamations that convey information to the public or specific audiences. Antonyms for "communiques" may include words such as informal, unofficial, non-public, personal, private or unofficial. These words suggest a less formal, less structured and more individualized approach to communication. Whereas communiques are typically carefully worded, strategic and public-facing, the antonyms for this word suggest a more casual, personal and perhaps even confidential approach to exchanging information.