How it is believed that women can never really keep a secret. However, the word confidante says the otherwise, as it’s especially used to address women. It is a noun that men find it hard to digest, when used in conjunction with women.
Origin: Its first known usage dates back to 1162 and has originated from a French word Confidente, which is feminine of confident.
1) A person to whom secrets are confided or with whom secrets are shared with, especially a woman