Nom de guerre is a term used to describe an assumed name used by a military or political combatant. This term can also be referred to as a pseudonym, alias, or a code name. A pseudonym is a fictitious name that an individual assumes to conceal their true identity. An alias is a name that a person uses to hide their real identity for various reasons. A code name is a word used to represent a particular operation or mission without revealing its real purpose. These synonym terms are generally used interchangeably in the context of nom de guerre and apply to different situations.