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barrack-room lawyer

British  

noun

  1. a person who freely offers opinions, esp in legal matters, that he or she is unqualified to give

"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

Example Sentences

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At Aldershot one of his most popular pieces as an entertainer is that in which he impersonates the barrack-room lawyer.

From The Story of Baden-Powell 'The Wolf That Never Sleeps' by Begbie, Harold

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.