1
as in difficult
requiring considerable physical or mental effort
an exceptionally challenging brainteaser
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in demanding
requiring much time, effort, or careful attention
a challenging test designed to whittle down the number of contestants
Synonyms & Similar Words
Antonyms & Near Antonyms
1
as in questioning
to demand proof of the truth or rightness of
don't hesitate to challenge any statement that generalizes about people
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2
3
as in requiring
to have as a requirement
having to put up with an overbearing boss challenges forbearance
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of challenging
Darlin Tillery, MSNBC Newsweek, 3 June 2025
Predicting how technology will change our relationship with terminology is challenging, but the need for precise scientific language, including the names of species, will never go away.
—Nicholas Green, The Conversation, 3 June 2025
Karina Tsui, CNN, 21 Mar. 2025
Many foreign jurisdictions lack robust cybercrime enforcement or tend to favor local defendants in legal disputes, making prosecution of overseas intellectual property theft challenging.
—Emil Sayegh, Forbes, 21 Mar. 2025
See All Example Sentences for challenging
Adjective
Read more upvotes Comment View 417 comments Dr. Melanie McCabe told Newsweek that the postpartum period can be both joyful and deeply challenging.
—Darlin Tillery, MSNBC Newsweek, 3 June 2025
Predicting how technology will change our relationship with terminology is challenging, but the need for precise scientific language, including the names of species, will never go away.
—Nicholas Green, The Conversation, 3 June 2025
Verb
Khan Suri’s legal team is challenging his detention in court, and on Thursday, a federal judge ruled he cannot be removed from the country while his petition is pending.
—Karina Tsui, CNN, 21 Mar. 2025
Many foreign jurisdictions lack robust cybercrime enforcement or tend to favor local defendants in legal disputes, making prosecution of overseas intellectual property theft challenging.
—Emil Sayegh, Forbes, 21 Mar. 2025
See All Example Sentences for challenging
Recent Examples of Synonyms for challenging
Adjective
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But the fact that Schwartzman, in his first film, was given the difficult task of stealing laughs away from a comedy legend, and so often succeeds in doing so, gives him the slight edge.—
Shannon Carlin,
Time,
30 May 2025
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These connections are difficult to make from within, but consultants are trained to see across boundaries.—
Dr. Diane Hamilton,
Forbes.com,
30 May 2025
Adjective
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The nausea is now mostly in the past, Lauren says, and the Lanes are realizing that getting ready for a third child isn’t as demanding as earlier preparations.—
Nancy Kruh,
People.com,
30 May 2025
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Work and home will be equally demanding, as Venus meets with Jupiter on June 4.—
Liz Simmons,
StyleCaster,
27 May 2025
Verb
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Despite more positive reports in previous months, concerns remain about the economic outlook, leaving policymakers and businesses questioning whether the downturn in confidence will translate to slower growth in 2024.—
Josh Hammer,
Newsweek,
24 Dec. 2024
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Singing on the beach under the stars may not stop people (or me) from questioning the legitimacy of my Asian identity, but these moments bond me to the community and culture of my grandparents.—
Acacia Gabriel,
Travel + Leisure,
23 Dec. 2024
Verb
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The witness said Metcalf touched Anthony, who allegedly responded by daring Metcalf to punch him.—
KC Baker,
People.com,
10 Apr. 2025
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Living your bucket list A recent study showed nine out of 10 participants have made a bucket list, many of which include daring feats, like skydiving.—
David Morgan,
CBS News,
10 Apr. 2025
Verb
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In Florida, Our Children’s Trust brought its latest case because there still are provisions in the law requiring state agencies to prioritize renewable energy, Rodgers said.—
Amy Green,
Orlando Sentinel,
24 Dec. 2024
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California's Regulatory Actions California revised its Renewable Portfolio Standard (RPS) targets, now requiring that 60% of electricity be generated from renewable sources by 2030, as a step towards its 2045 goal of 100% clean energy.—
Robert Rapier,
Forbes,
24 Dec. 2024
Adjective
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This is a time for doing the tough, often unglamorous job of making the city function for all New Yorkers.—
Scott Stringer,
New York Daily News,
3 June 2025
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When staring at twin suns like from much greater distances — many light-years away — astronomers have a much tougher time than young Skywalker in determining two stars from one.—
Robert Lea,
Space.com,
3 June 2025
Adjective
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The Bee has a rigorous policy relating to requests for anonymity.—
Jennah Pendleton,
Sacbee.com,
23 May 2025
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Hall, a former college football player, is quite the athlete and also gives fans a look into his rigorous workout regimen, which Khaled joined him for.—
Michael Saponara,
Billboard,
23 May 2025
Verb
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In February, disputing rumors of a cancellation late last year, HBO confirmed alongside a first-look image that production for season 3 of Euphoria would begin in early 2025 with the same main cast members set to return.—
Lauren Huff,
EW.com,
11 Apr. 2025
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This can be helpful for disputing charges and clearing your record.—
Kurt Knutsson, CyberGuy Report,
FOXNews.com,
10 Apr. 2025
Cite this Entry
“Challenging.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/challenging. Accessed 7 Jun. 2025.
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