complicated

adjective

com·​pli·​cat·​ed ˈkäm-plə-ˌkā-təd How to pronounce complicated (audio)
1
: consisting of parts intricately combined
a complicated recipe
complicated machinery
2
: difficult to analyze, understand, or explain
a complicated issue
his absurdly complicated life
complicatedly adverb
complicatedness noun
Choose the Right Synonym for complicated

complex, complicated, intricate, involved, knotty mean having confusingly interrelated parts.

complex suggests the unavoidable result of a necessary combining and does not imply a fault or failure.

a complex recipe

complicated applies to what offers great difficulty in understanding, solving, or explaining.

complicated legal procedures

intricate suggests such interlacing of parts as to make it nearly impossible to follow or grasp them separately.

an intricate web of deceit

involved implies extreme complication and often disorder.

a rambling, involved explanation

knotty suggests complication and entanglement that make solution or understanding improbable.

knotty ethical questions

Examples of complicated in a Sentence

The game's rules are too complicated. The machine has a complicated design.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Ike Howard’s journey to the Oilers roster is a little more complicated. Allan Mitchell, New York Times, 1 Aug. 2025 Terminology, however, is insufficient: the Promising Young Woman is messier and more complicated than the rape revenge subgenre or tales of women done wrong, a pastiche of contradictions that further mucks up Northrop Frye’s distinct archetypal schema and heightens its own significance. Meg Pillow july 31, Literary Hub, 31 July 2025 Predicting his next move is more complicated, as high wages could provide a major stumbling block for any potential suitors. Dan Cancian, Forbes.com, 31 July 2025 What’s changing with enrollment and documentation? Even for Texans who still qualify for Medicaid or ACA subsidies, staying covered will become more complicated. Tiffani Jackson, Fort Worth Star-Telegram, 31 July 2025 See All Example Sentences for complicated

Word History

Etymology

from past participle of complicate entry 1

First Known Use

1656, in the meaning defined at sense 1

Time Traveler
The first known use of complicated was in 1656

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Cite this Entry

“Complicated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/complicated. Accessed 5 Aug. 2025.

Kids Definition

complicated

adjective
com·​pli·​cat·​ed ˈkäm-plə-ˌkāt-əd How to pronounce complicated (audio)
1
: consisting of many combined parts
complicated machinery
2
: difficult to analyze, understand, or explain : complex
complicatedly adverb
complicatedness noun

Medical Definition

complicated

adjective
com·​pli·​cat·​ed
of a bone fracture
: characterized by injury to nearby parts

More from Merriam-Webster on complicated

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