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laches

American  
[lach-iz] / ˈlætʃ ɪz /

noun

(used with a singular verb)
  1. failure to do something at the proper time, especially such delay as will bar a party from bringing a legal proceeding.


laches British  
/ ˈlætʃɪz /

noun

  1. law negligence or unreasonable delay in pursuing a legal remedy

"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 laches

First recorded in 1325–75; Middle English lachesse, from Anglo-French, variant of Middle French laschesse, derivative of Old French lasche “slack” (from Germanic ); see -ice

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.

See Examples For:

MacLean invoked the so-called laches defense which applies to situations where there’s an excessive or unreasonable delay in seeking legal recourse.

From Washington Times ● Nov. 15, 2020

Under a doctrine known as laches, litigants cannot wait to bring a claim until the last minute, then ambush their opponents with a surprise lawsuit.

From Slate ● Oct. 31, 2020

Mr. Gabriel said a legal tenet known as laches might apply.

From New York Times ● Nov. 8, 2018

Justice Stephen Breyer wrote in a dissenting opinion that he believed Congress intended to allow the laches defense when it created the modern-day patent system in the 1950s.

From Reuters ● Mar. 21, 2017

The first and "right" edition has, however, on page 51, the word laches printed in red, while page 101 is improperly numbered 69.

From Book Collecting: A Guide for Amateurs by J. Herbert (John Herbert) Slater

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