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Synonyms

complicated

American  
[kom-pli-key-tid] / ˈkɒm plɪˌkeɪ tɪd /

adjective

  1. composed of elaborately interconnected parts; complex.

    complicated apparatus for measuring brain functions.

  2. difficult to analyze, understand, explain, etc..

    a complicated problem.

    Synonyms:
    knotty, tangled, involved

complicated British  
/ ˈkɒmplɪˌkeɪtɪd /

adjective

  1. made up of intricate parts or aspects that are difficult to understand or analyse

"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

Other Word Forms

Etymology

Origin of complicated

First recorded in 1640–50; complicate + -ed 2

Explanation

When things get complicated, they are no longer simple and straightforward. If you are asked a question that would require a long, detailed answer, you might just say, "It's complicated." The word complicated came about in the 1640's to mean "tangled" or "difficult to unravel." This makes sense, considering it came from the Latin verb complicāre, meaning "to fold together." Consider that something with many folds is more complicated than something flat. Novelist Robert Ludlum said, "Life is extremely complicated," but Confucius long ago suggested that "Life is really simple, but we insist on making it complicated." Just having those two opposing viewpoints indicates how complicated life can be.

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Vocabulary lists containing complicated

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The fix is not complicated, and Bajakajian already points to it.

From Slate Jul. 28, 2026

No one exemplifies this generous worldview better than Lotta, who turns out not to be the villain of May’s darkest imaginings but a complicated, compassionate and rather philosophical human being.

From Los Angeles Times Jul. 28, 2026

However, there is no doubt this is another concerning development - and a worrying pattern with an injury which Draper describes as "complicated".

From BBC Jul. 27, 2026

An expanding universe makes measuring distance more complicated because space does not remain fixed while light travels through it.

From Science Daily Jul. 25, 2026

“Face, hair, dress—why is it all so complicated? If I were a bird, I would wear the same feathers every day and no one would think less of me for it.”

From "The Unseen Guest" by Maryrose Wood

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