French is a Romance language spoken around the world by around 80 million people as first language, by 190 million as second language, and by about another 200 million people as an acquired tongue, with significant speakers in 54 countries.... expression that literally means "of rigor" or "of strictness". In English language
English language
English is a West Germanic language that originated in Anglo-Saxon England and has lingua franca status in many parts of the world as a result of the military, economic, scientific, political and cultural influence of the British Empire in the 18th, 19th and early 20th centuries and that of the United States from the mid 20th century onwa... usage, it means "necessary according to etiquette, protocol or fashion."
Something that is de rigueur is required by convention or fashion, but not by any hard rule. For example, among the upper classes during the Victorian era
Victorian era
The Victorian Era of the United Kingdom of Great Britain and Ireland was the period of Victoria of the United Kingdom reign from June 1837 to January 1901.... , dressing for dinner was de rigueur.
Standardization is the process of developing and agreeing upon Standard . A standard is a document that establishes uniform engineering or technical specifications, criteria, methods, processes, or practices.... similar to a de facto
De facto
De facto is a Latin expression that means "concerning the fact" or in practice but not necessarily ordained by law. It is commonly used in contrast to de jure when referring to matters of law, governance, or technique that are found in the common experience as created or developed without or contrary to a regulation.... standard, though de facto refers to a practice that is practically law.
Like many other foreign language phrases used in English, it is often italicized
Italic type
In typography, italic type refers to cursive typefaces based on a stylized form of calligraphic handwriting. The influence from calligraphy can be seen in their usual slight slanting to the right.... when used in a written sentence.
