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[kuh m-plek-si-tee] /kəmˈplɛk sɪ ti/
noun, plural complexities for 2.
the state or quality of being complex; intricacy:
the complexity of urban life.
something complex:
the complexities of foreign policy.
1715-25; complex + -ity
Related forms
intercomplexity, noun, plural intercomplexities.
overcomplexity, noun
supercomplexity, noun, plural supercomplexities. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for complexities
  • Bottom line, he knows this subject thoroughly and is used to breaking down its complexities for those of us less versed.
  • But they are, even if kids may not fully be fully aware of the complexities they're dealing with until they're much older.
  • If you want your satellites to talk to each other, they have to have on-board computers to handle the complexities of networking.
  • The cores will be pure time machines, without the complexities introduced by combining records of change from many places.
  • Despite these complexities, however, scientists do have a broad outline of early primate evolution.
  • He began to realize something of the threatening complexities of his exalted position.
  • Introduce students to the complexities facing scientists as they identify species.
  • But the complexities involved in successfully creating a rotary aircraft, as opposed to one with fixed wings, were immense.
  • In the end, the tales create an intricate tapestry that displays the complexities of a family and a culture.
  • The group notes the complexities of comparing water footprints.
British Dictionary definitions for complexities


noun (pl) -ties
the state or quality of being intricate or complex
something intricate or complex; complication
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
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Word Origin and History for complexities



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

Online Etymology Dictionary, © 2010 Douglas Harper
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