[ sing-kruh-niz-uh m ]
/ ˈsɪŋ krəˌnɪz əm /


coincidence in time; contemporaneousness; simultaneousness.
the arrangement or treatment of synchronous things or events in conjunction, as in a history.
a tabular arrangement of historical events or personages, grouped according to their dates.
Physics, Electricity. the state of being synchronous.
Psychoanalysis. the simultaneous occurrence of causally unrelated events and the belief that the simultaneity has meaning beyond mere coincidence.
Also syn·chro·nic·i·ty [sing-kruh-nis-i-tee] /ˌsɪŋ krəˈnɪs ɪ ti/ (for defs 1, 4, 5).

Origin of synchronism

1580–90; < Medieval Latin synchronismus < Greek synchronismós, equivalent to sýnchron(os) synchronous + -ismos -ism
Related formssyn·chro·nis·tic, syn·chro·nis·ti·cal, adjectivesyn·chro·nis·ti·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for synchronistic

  • From the synchronistic tablets we can ascertain that he had to undergo severe struggles with the Babylonians.

  • Among the works subservient to the study of ancient history, the first rank is justly due to the synchronistic tables.

    A Manual of Ancient History|A. H. L. (Arnold Hermann Ludwig) Heeren

British Dictionary definitions for synchronistic (1 of 2)


/ (ˌsɪŋkrəˈnɪstɪk) /


of, relating to, or exhibiting synchronism
Derived Formssynchronistically, adverb

British Dictionary definitions for synchronistic (2 of 2)


/ (ˈsɪŋkrəˌnɪzəm) /


the quality or condition of being synchronous
a chronological usually tabular list of historical persons and events, arranged to show parallel or synchronous occurrence
the representation in a work of art of one or more incidents that occurred at separate times

Word Origin for synchronism

C16: from Greek sunkhronismos; see synchronous, -ism
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 synchronistic



1580s, "quality of being synchronous," from Modern Latin synchronismus, from Greek synchronismos, from synchronos (see synchronous). Meaning "recurring at the same successive instants of time" is from 1854.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for synchronistic


[ sĭngkrə-nĭz′əm, sĭn- ]


Coincidence in time; simultaneousness.synchronia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.