xxx
n. countable C2 Proficiency xxx
n. a placeholder used in books or documents when the real name or information is not known. It is often used in math or logic to represent any value.
n. a placeholder name or symbol used to refer to an unspecified person or thing. Often used in legal, medical, or algebraic contexts to denote a variable or an anonymous entity.
Please replace every xxx in the form with your actual account number.
The software developer used xxx as a temporary label for the new feature before the marketing team chose a name.
In the draft of the contract, the lawyers used xxx to indicate where the specific dates of the agreement still needed to be finalized by both parties.
Usage
Often used in written drafts or digital code rather than spoken language.