Origin of contiguous

1605–15; < Latin contiguus bordering upon, equivalent to con- con- + tig- (variant stem of -tingere, combining form of tangere to touch; see tangent, contingent, contact) + -uus deverbal adj. suffix; cf. -ous, continuous
Related formscon·tig·u·ous·ly, adverbcon·tig·u·ous·ness, nounnon·con·tig·u·ous, adjectivenon·con·tig·u·ous·ly, adverbnon·con·tig·u·ous·ness, nounun·con·tig·u·ous, adjectiveun·con·tig·u·ous·ly, adverbun·con·tig·u·ous·ness, noun

Synonyms for contiguous

1. bordering, adjoining, abutting. 2. adjacent. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for noncontiguous


  1. touching along the side or boundary; in contact
  2. physically adjacent; neighbouring
  3. preceding or following in time
Derived Formscontiguity (ˌkɒntɪˈɡjuːɪtɪ) or contiguousness, nouncontiguously, adverb

Word Origin for contiguous

C17: from Latin contiguus, from contingere to touch; see contact
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

Word Origin and History for noncontiguous



1610s, from Latin contiguus "near, touching, bordering upon," from root of contingere "to touch upon" (see contact). Earlier form, now obsolete, was contiguate (mid-15c.).

Online Etymology Dictionary, © 2010 Douglas Harper

noncontiguous in Medicine


  1. Sharing an edge or boundary; touching.
  2. Neighboring; adjacent.
Related formscon•tigu•ous•ness n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.