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1. The representation of someone as existing or something as happening in other than chronological, proper, or historical order.
2. One that is out of its proper or chronological order, especially a person or practice that belongs to an earlier time: "A new age had plainly dawned, an age that made the institution of a segregated picnic seem an anachronism" (Henry Louis Gates, Jr.).
[French anachronisme, from New Latin anachronismus, from Late Greek anakhronismos, from anakhronizesthai, to be an anachronism : Greek ana-, ana- + Greek khronizein, to take time (from khronos, time).]
a·nach′ro·nis′tic, a·nach′ro·nous (-nəs) adj.
a·nach′ro·nis′ti·cal·ly, a·nach′ro·nous·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
in an anachronous manner
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014