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parlance

American  
[pahr-luhns] / ˈpɑr ləns /

noun

  1. a way or manner of speaking; vernacular; idiom.

    legal parlance.

  2. speech, especially a formal discussion or debate.

  3. talk; parley.


parlance British  
/ ˈpɑːləns /

noun

  1. a particular manner of speaking, esp when specialized; idiom

    political parlance

  2. archaic any discussion, such as a debate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of parlance

From Anglo-French, dating back to 1570–80; see origin at parle, -ance

Explanation

The noun parlance means the manner of speaking and using words. Your 15-year-old will tell you that you are definitely not fluent in the parlance of teenagers, no matter how cool you think you are. Parlance comes from the French word parler, meaning "to speak." The noun is often used to refer to the jargon or slang a certain group or industry uses. If you work in the sciences, you'll be familiar with the parlance of scientists and be familiar with such jargon as "goodness of fit" and "iff", which means "if and only if". But if you are not a scientist, you may stumble when you first come across such terms.

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Vocabulary lists containing parlance

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That’s Wall Street parlance for $100, the “par” value of many bonds.

From Barron's • May 1, 2026

If the maximum pressure is exceeded, the helium escapes—a process known in industry parlance as “boil-off.”

From The Wall Street Journal • Mar. 31, 2026

In financial markets parlance, a “left tail” outcome refers to a major crash.

From MarketWatch • Mar. 11, 2026

Twila is, in Hollywood parlance, a “firecracker” — you know, the tough-talking dame who inevitably nurses a wounded heart.

From Los Angeles Times • Jan. 15, 2026

He was, in the parlance of horsemen, “bombproof.”

From "Seabiscuit: An American Legend" by Laura Hillenbrand

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