1
as in complicated
having many parts or aspects that are usually interrelated
this medical device is a complex instrument that requires careful handling complex issues regarding free speech and school discipline
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in intricate
made or done with great care or with much detail
a complex plan for evacuating the city in the event of a natural disaster
Synonyms & Similar Words
Antonyms & Near Antonyms
1
as in facility
a structure that is designed and built for a particular purpose
an apartment complex
Synonyms & Similar Words
2
as in system
something made up of many interdependent or related parts
a complex of government programs designed to assist the needy
Synonyms & Similar Words
as in to complicate
to make complex or difficult
there's no need to complex what should be a simple process for obtaining a building permit
Synonyms & Similar Words
Antonyms & Near Antonyms
Try This Instead
Try This InsteadFor
Try This
complex systems
complex problems
a complex structure
a difficult structure
a complicated structure
a detailed structure
a large structure
an elaborate structure
complex interactions
sophisticated interactions
detailed interactions
deep interactions
multiple interactions
several interactions
Examples Sentences
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Recent Examples of complex
Olivia-Anne Cleary, TIME, 10 Jan. 2025
The wildly successful chipmaker unveiled a tiny desktop device called Project DIGITS at this year’s convention that’s potent enough for the complex operations required to run and train AI models.
—Bryan Hood, Robb Report, 10 Jan. 2025
Booth Moore, WWD, 8 Jan. 2025
The downtown Springdale campus features an ice arena in the region, an indoor pool complex, the Runway Bike Park, a fitness center, fitness studios, gymnasium, indoor and outdoor performance venues, and classroom and event spaces.
—Nwa Democrat-Gazette, arkansasonline.com, 8 Jan. 2025
See all Example Sentences for complex 
Adjective
The relationship between you and your dad is especially complex.
—Olivia-Anne Cleary, TIME, 10 Jan. 2025
The wildly successful chipmaker unveiled a tiny desktop device called Project DIGITS at this year’s convention that’s potent enough for the complex operations required to run and train AI models.
—Bryan Hood, Robb Report, 10 Jan. 2025
Noun
The twin ports of Los Angeles and Long Beach were both unaffected by the fires, which are located about 25 miles northwest of the San Pedro Bay port complex.
—Booth Moore, WWD, 8 Jan. 2025
The downtown Springdale campus features an ice arena in the region, an indoor pool complex, the Runway Bike Park, a fitness center, fitness studios, gymnasium, indoor and outdoor performance venues, and classroom and event spaces.
—Nwa Democrat-Gazette, arkansasonline.com, 8 Jan. 2025
See all Example Sentences for complex
Recent Examples of Synonyms for complex
Adjective
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After unsuccessful and complicated head coaching stays at Derby County, United, Birmingham City and now Plymouth, pundits have begun speculating where Rooney could end up next.Pablo Maurer, The Athletic, 10 Jan. 2025
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Closing on a New Home: The final step of a real estate purchase can be the most complicated.Julie Lasky, New York Times, 10 Jan. 2025
Adjective
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When legislation such as the No Surprises Act or Transparency in Coverage rules are introduced, stakeholders must adjust their processes within an already intricate system.Amanda Eisel, Forbes, 14 Jan. 2025
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But the very fact that this will be the first time Tyrer’s cause has been heard by the full committee in 43 years reflects how much more intricate his candidacy is than what the rules of order can mandate.Vahe Gregorian, Kansas City Star, 14 Jan. 2025
Noun
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This facility is used by both Amtrak and NJT for midday and overnight storage to position equipment for rush hour and off peak service.Larry Penner, New York Daily News, 12 Jan. 2025
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The conditions at the Arizona Cardinals’ training facility offered a stark contrast to what the Rams faced a few days earlier, when smoke from wildfires billowed during practice at their facility in Woodland Hills.Gary Klein, Los Angeles Times, 12 Jan. 2025
Noun
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This news organization’s investigative reporting on the tragedy publicly revealed the fissures in the county’s children protection system that Williams, Little and Wright already knew about.Mercury News & East Bay Times editorial, The Mercury News, 15 Jan. 2025
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In 2022, Europe opened its first aerial cable car transit system in Toulouse, France.Shoshi Parks, Smithsonian Magazine, 15 Jan. 2025
Verb
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Eventually, things get complicated when Lainy falls for her dream man Josh (Will Forte) and gets caught up in her growing lie.Angel Saunders, People.com, 8 Jan. 2025
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Mixing business and politics can be complicated, as Loeffler soon found out.Dan Alexander, Forbes, 8 Jan. 2025
Adjective
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But despite all these changes, which include culling low-quality, high-risk apps and bringing live threat detection to devices through an Android 15 upgrade, users remain at risk from ever more sophisticated malware attacks on an industrial scale.Zak Doffman, Forbes, 11 Jan. 2025
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These sophisticated kits can occupy prominent spots on your mantle, desk, bookshelf, or wall once they’re put together.Clint Davis, People.com, 11 Jan. 2025
Adjective
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Make sure to take detailed notes and document your conversations with your insurer—and everyone else throughout the whole process.Michael Y. Park, Architectural Digest, 10 Jan. 2025
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Cybercriminals then used these services and resold access to other malicious actors with detailed instructions on how to use these custom tools to generate harmful and illicit content.Ars Technica, Ars Technica, 10 Jan. 2025
Noun
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Decades later, buses, delivery trucks and drivers heading to and from work still rely heavily on the county’s network of four- and five-lane traffic arteries.Ryan Lillis, Sacramento Bee, 17 Jan. 2025
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Key for all brands is the need to protect the supply chain and foster the network of artisans in the country, continuing to invest in training.Luisa Zargani, WWD, 17 Jan. 2025
Thesaurus Entries Near complex
Cite this Entry
“Complex.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/complex. Accessed 21 Jan. 2025.
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