• synonyms


[kuh m-plek-si-tee]
noun, plural com·plex·i·ties for 2.
  1. the state or quality of being complex; intricacy: the complexity of urban life.
  2. something complex: the complexities of foreign policy.
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Origin of complexity

First recorded in 1715–25; complex + -ity
Related formsin·ter·com·plex·i·ty, noun, plural in·ter·com·plex·i·ties.o·ver·com·plex·i·ty, nounsu·per·com·plex·i·ty, noun, plural su·per·com·plex·i·ties.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for over-complexity


noun plural -ties
  1. the state or quality of being intricate or complex
  2. something intricate or complex; complication
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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 over-complexity



1721, "composite nature," from complex (adj.) + -ity. Meaning "intricacy" is from 1790. Meaning "a complex condition" is from 1794.

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Online Etymology Dictionary, © 2010 Douglas Harper