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maven

American  
[mey-vuhn] / ˈmeɪ vən /
Or mavin

noun

  1. an expert or connoisseur.


maven British  
/ ˈmeɪvən /

noun

  1. an expert or connoisseur

"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 maven

1960–65; < Yiddish < Hebrew: connoisseur

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.

Much of the recent commentary is produced by investment mavens searching for explanations for market moves in recent news nuggets.

From Los Angeles Times

Famous for his encyclopedic knowledge of the benchmark stock index and his fast-paced Brooklyn burr, he has been a markets data maven for everyone from Wall Street analysts to financial journalists.

From The Wall Street Journal

Aunt Kitty turned to her left and greeted the elderly gentleman seated beside her, the ancient husband of one of the other society mavens.

From Literature

Even famously bullish tech maven Cathie Wood has struck a more cautious tone recently.

From Barron's

Eventually, I got an Instagram account and some of the stuff would go there, but I’m not really a social media maven either.”

From Los Angeles Times