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
Example Sentences
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Recent Examples of complex
Kyle Chayka, New Yorker, 9 July 2025
Smart, Simple, and Now Affordable—The Robot Mower Revolution Has Arrived
Just a few years ago, robotic lawn mowers were considered niche tools—pricey, complex, and mostly limited to commercial use or luxury properties.
—Sixteen Ramos, USA Today, 8 July 2025
Quinlan Bentley, The Enquirer, 4 July 2025
There are also exploration instruments, resupply vessels, and complexes like the International Space Station.
—Fernanda González, Wired News, 4 July 2025
See All Example Sentences for complex
Adjective
As the social-media ecosystem has become more fragmented and complex during the past several years, with new platforms continually emerging and decaying, there’s been some user attrition.
—Kyle Chayka, New Yorker, 9 July 2025
Smart, Simple, and Now Affordable—The Robot Mower Revolution Has Arrived
Just a few years ago, robotic lawn mowers were considered niche tools—pricey, complex, and mostly limited to commercial use or luxury properties.
—Sixteen Ramos, USA Today, 8 July 2025
Noun
Just eight days after Cox was released from jail in August 2024, his ex-girlfriend reported that her vehicle was vandalized while parked in the garage of her Newport apartment complex, court filings show.
—Quinlan Bentley, The Enquirer, 4 July 2025
There are also exploration instruments, resupply vessels, and complexes like the International Space Station.
—Fernanda González, Wired News, 4 July 2025
See All Example Sentences for complex
Recent Examples of Synonyms for complex
Adjective
-
While these may seem a bit too complicated for children, the kit is specifically designed for budding engineers aged 8 to 14 and includes easy-to-understand, age-appropriate instructions.—
Anja Webb,
Parents,
9 July 2025
-
That stark reality, Wood said, was part of what compelled him to write the book Among the lessons Wood discusses are the importance of healthy communication, the role of community support and the insights drawn from his own complicated relationship with his father.—
Essence,
Essence,
9 July 2025
Adjective
-
With a set that featured lush green hills and intricate cultural motifs, the visuals matched the depth of his message: Puerto Rican culture was front and center — not for explanation but for celebration.—
Isabela Raygoza,
Billboard,
12 July 2025
-
Roseanne Cash Westport Country Playhouse, 25 Powers Court, Westport Roseanne Cash and her longtime performing partner (and husband) John Leventhal play the intricate, rustically ornate Westport Country Playhouse.—
Christopher Arnott,
Hartford Courant,
12 July 2025
Noun
-
Flags at all United States embassies, legations, consular offices and other facilities abroad, including all military facilities and naval vessels and stations will also be flown at half-staff.—
Joyce Orlando,
The Tennessean,
11 July 2025
-
Walnuts, almonds and pistachios constantly circulate the production facility, undergoing more than 16 hours of processing per batch before being shipped out in lightweight tin cans to retailers and consumers.—
Sacbee.com,
Sacbee.com,
11 July 2025
Noun
-
While the headsets are new, the coaches will continue to use Verizon’s private cellular system, which is part of its business group’s Connected Venue platform.—
Jason Clinkscales,
Sportico.com,
14 July 2025
-
Both organizations emphasized improvements made to welfare systems and reporting procedures since 2016, when Endemol merged with Shine, and again in 2020 when Banijay acquired Endemol Shine.—
Naman Ramachandran,
Variety,
14 July 2025
Verb
-
The case presents a unique test of NIL outside the college sports landscape and in a setting where a player contract and collective bargaining agreements complicate the situation.—
Michael McCann,
Sportico.com,
7 July 2025
-
This exhaustive scientific work is complicated by ongoing legal and ethical concerns.—
Jordan Runtagh,
People.com,
6 July 2025
Adjective
-
The Securities and Exchange Commission has accused Edwin Brant Frost IV and his private lending company First Liberty Building & Loan with allegedly presiding over a sophisticated $140 million Ponzi scheme, according to a civil complaint filed on Thursday in federal court in Atlanta.—
Amanda Gerut,
Fortune,
11 July 2025
-
Deepfakes have been growing more sophisticated in recent years, in addition to being increasingly deployed for malicious purposes.—
Shannon Bond,
NPR,
10 July 2025
Adjective
-
The disappearance of such detailed emissions data removes immediate pressure and scrutiny, allowing polluters to continue claiming to take action to curb emissions while doing nothing of the sort.—
Ingmar Rentzhog,
Forbes.com,
11 July 2025
-
They are also known for their minimally invasive techniques, smooth recovery experiences, and detailed post-operative support.—
Connie Etemadi,
AZCentral.com,
11 July 2025
Noun
-
Maintaining brand integrity across a growing and geographically dispersed network is another potential challenge of franchising.—
Don Tarinelli,
Forbes.com,
2 July 2025
-
Now, some 20% of the internet is covered by its network.—
Billy Perrigo,
Time,
1 July 2025
Cite this Entry
“Complex.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/complex. Accessed 18 Jul. 2025.
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