1
as in difficulty
something that makes a situation more complicated or difficult
the food allergies of the guests were just another complication for the couple trying to plan their wedding reception
Synonyms & Similar Words
Relevance
2
as in disease
an abnormal state that disrupts a plant's or animal's normal bodily functioning
complications set in after the surgery
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in complexity
the state or quality of having many interrelated parts or aspects
a problem of such irreducible complication as to defy any easy solution
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of complication
Too much iron can be dangerous, and excessive vitamin D may lead to high calcium levels and other complications.
—
Sara Hoffman, Verywell Health, 18 June 2026
Public health specialists have warned that military members may suffer unnecessary complications from the flu after the vaccination mandate was ended and fear that severe cases will continue to climb in subsequent flu seasons if preventive vaccinations aren't given to those most at risk.
—Luis Martinez, ABC News, 18 June 2026
However, in the hours after delivery, Stacey began experiencing serious complications.
—Samantha Stutsman, PEOPLE, 18 June 2026
The existing deal for OAC to acquire the entire Coliseum site has encountered numerous complications, partly because ownership of the property has been split in half between the city and county.
—Shomik Mukherjee, Mercury News, 18 June 2026
See All Example Sentences for complication
Sara Hoffman, Verywell Health, 18 June 2026
Public health specialists have warned that military members may suffer unnecessary complications from the flu after the vaccination mandate was ended and fear that severe cases will continue to climb in subsequent flu seasons if preventive vaccinations aren't given to those most at risk.
—Luis Martinez, ABC News, 18 June 2026
However, in the hours after delivery, Stacey began experiencing serious complications.
—Samantha Stutsman, PEOPLE, 18 June 2026
The existing deal for OAC to acquire the entire Coliseum site has encountered numerous complications, partly because ownership of the property has been split in half between the city and county.
—Shomik Mukherjee, Mercury News, 18 June 2026
See All Example Sentences for complication
Recent Examples of Synonyms for complication
Noun
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The only opposition came from James Eadie, a licensed pyrotechnic operator, who said hobby rocket users could have difficulty complying with the bill because many local governments do not have permitting processes for storing small quantities of rocket motors.—
Daniel Lempres,
Sacbee.com,
16 June 2026
-
Someone with severe disease can experience confusion, loss of coordination, difficulty speaking and seizures, and the CDC says approximately one in 10 people with severe disease die.—
Emily Vetter,
USA Today,
16 June 2026
Noun
-
An investigation revealed that the horse was suffering from multiple diseases and was a decade older than his driver had initially reported, according to the organization.—
Thao Nguyen,
USA Today,
18 June 2026
-
Those who have been vaccinated or previously had measles are likely protected against the disease.—
Matthew Rodriguez,
CBS News,
18 June 2026
Noun
-
Pricing sits at the upper end of the Turkish market, reflecting the case complexity ASMED tends to accept.—
Ascend Agency,
Daily News,
17 June 2026
-
But mathematical interest in card shuffling goes beyond its combinatorial complexity.—
John Pavlus,
Quanta Magazine,
17 June 2026
Noun
-
Worth noting Right-hander Tyler Mahle is scheduled to return from his left hamstring ailment and start on Wednesday against the Athletics, per Vitello.—
Justice delos Santos,
Mercury News,
20 June 2026
-
Interest in kratom surged in the last couple of years as users have reported consuming the compound in the form of a pill, powder or tea to treat various ailments.—
Karen Garcia,
Los Angeles Times,
19 June 2026
Noun
-
Symptoms include a rash, which can appear three to five days after onset of illness, cough, runny nose and red and watery eyes, as well as a fever that can be higher than 101 degrees.—
Los Angeles Times,
Los Angeles Times,
19 June 2026
-
Peterson missed 11 games in 2026-27 because of illness or cramping and asked out of several other contests.—
Gary Bedore
June 18,
Kansas City Star,
19 June 2026
Noun
-
Only one had injuries considered to be life-threatening; Graves did not have an update on that person’s condition during the news conference.—
Ben Wheeler,
Kansas City Star,
18 June 2026
-
Swells generated by Arthur are likely to cause life-threatening surf and rip current conditions along the northwestern Gulf Coast for the next day or two.—
MIAMI HERALD HURRICANE BOT,
Miami Herald,
18 June 2026
Noun
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In the winter of 1920, the United States entered Prohibition in the United States after years of campaigning by temperance groups who believed alcohol sat at the root of many social ills.—
Kate Hardcastle,
Forbes.com,
19 June 2026
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On this near-ideal night, all the ills of the past few years faded away, and an era — or at least a month — of real ambition began.—
Henry Bushnell,
New York Times,
14 June 2026
Noun
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Recalls and public pressure ousted progressives elected to district attorney offices in multiple jurisdictions over the last five years, when criminal justice reform efforts ran into dissatisfaction over public disorder following the COVID-19 pandemic.—
Matt Brown,
Fortune,
20 June 2026
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In the wake of her loss, Dion was dealt another blow when she was diagnosed with stiff-person syndrome (SPS), a rare and painful autoimmune and neurological disorder.—
Bailey Bujnosek,
InStyle,
20 June 2026
Cite this Entry
“Complication.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/complication. Accessed 22 Jun. 2026.
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