[non-yoon-yuh n]
  1. Medicine/Medical. failure of a broken bone to heal.

Origin of nonunion

First recorded in 1860–65; non- + union Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for nonunion

Contemporary Examples of nonunion

Historical Examples of nonunion

  • The nonunion engineer is not only tolerated but is even on occasion made the beneficiary of the activities of the union.

    The Armies of Labor

    Samuel P. Orth

British Dictionary definitions for nonunion


  1. not belonging or related to a trade unionnonunion workers
  2. not favouring or employing union laboura nonunion shop
  3. not produced by union labournonunion shirts
  1. pathol failure of broken bones or bone fragments to heal
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

nonunion in Medicine


  1. The failure of a fractured bone to heal normally.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.