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nonjoinder

American  
[non-join-der] / nɒnˈdʒɔɪn dər /

noun

Law.
  1. omission to join, as of a person who should have been a party to an action.


nonjoinder British  
/ ˌnɒnˈdʒɔɪndə /

noun

  1. law the failure to join as party to a suit a person who should have been included either as a plaintiff or as a defendant Compare misjoinder

"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 nonjoinder

First recorded in 1825–35; non- + joinder