[kuh n-join]
See more synonyms for conjoin on
verb (used with or without object)
  1. to join together; unite; combine; associate.
  2. Grammar. to join as coordinate elements, especially as coordinate clauses.

Origin of conjoin

1325–75; Middle English conjoigenn < Anglo-French, Middle French conjoign- (stem of conjoindre) < Latin conjungere. See con-, join
Related formscon·join·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for conjoining

Historical Examples of conjoining

  • But as mere representations, they stand under no law of conjunction except that which the conjoining faculty prescribes.

  • It possesses a great multitude of materials, but can only use these materials in the way of conjoining or separating.

  • In the main channel of a number of conjoining glens we came on a nice little pool under a step in the rocky bed.

    Spinifex and Sand

    David W Carnegie

  • Conjoining the two oceans, it will be an agency of matchless power, not only commercial, but political.

  • And lastly the winter sign was the Water Bearer, the bright Fomalhaut conjoining his rays with the sun's at midwinter.

British Dictionary definitions for conjoining


  1. to join or become joined
Derived Formsconjoiner, noun

Word Origin for conjoin

C14: from Old French conjoindre, from Latin conjungere, from jungere to join
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 conjoining



late 14c., from Old French conjoindre "meet, come together" (12c.), from Latin coniungere "to join together," from com- "together" (see com-) + iungere "join" (see jugular). Related: Conjoined, conjoining.

Online Etymology Dictionary, © 2010 Douglas Harper