(in advertising) a competing brand or product not referred to by name but implied to be of inferior quality.
an unknown or little-known brand name or a product bearing it.
any item that one chooses not to refer to by name, especially when used as a basis of comparison.
When X Always = 10
Roman numerals are a collection of symbols that make up the number system that was used by the ancient Romans. Today, Roman numerals are more commonly used in titles, to number parts of works, in music theory, and on clock faces. Where do you see Roman numerals most often? The Symbols The Roman numeral system uses only seven symbols: I, V, X, L, C, D, …
The Truth Is In The X-Files
Read more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of Brand X
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019