as in mistake
an instance of confusion
there was a foul-up with our mail order, and not one item arrived as ordered
Synonyms & Similar Words
Relevance
1
as in to fumble
to make or do (something) in a clumsy or unskillful way
tried not to foul up the football play
Synonyms & Similar Words
Antonyms & Near Antonyms
2
as in to trip
to make a mistake
unfortunately, I fouled up and in my e-mail gave everyone the wrong date for the meeting
Synonyms & Similar Words
Example Sentences
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.
Recent Examples of foul-up
Lance Eliot, Forbes, 7 Sep. 2024
Rather, inflation had arisen from supply chain foul-ups caused by the Covid epidemic, an act of God rendered worse by comic-opera mismanagement under President Donald Trump.
—Timothy Noah, The New Republic, 30 June 2023
Alex Harris
july 3, Miami Herald, 3 July 2025
But Paige has been there, injuries fouling up her career, too.
—John Nogowski, Hartford Courant, 25 Mar. 2025
See All Example Sentences for foul-up
Noun
That foul-up then gets included in the series of questions and answers, causing the final answer to go askew.
—Lance Eliot, Forbes, 7 Sep. 2024
Rather, inflation had arisen from supply chain foul-ups caused by the Covid epidemic, an act of God rendered worse by comic-opera mismanagement under President Donald Trump.
—Timothy Noah, The New Republic, 30 June 2023
Verb
Year-long court battles have been waged over exactly how clean the water in the Everglades has to be without fouling up the whole system.
—Alex Harris
july 3, Miami Herald, 3 July 2025
But Paige has been there, injuries fouling up her career, too.
—John Nogowski, Hartford Courant, 25 Mar. 2025
See All Example Sentences for foul-up
Recent Examples of Synonyms for foul-up
Noun
-
While rebounding kept the Horned Frogs in the game early, the offense finally picked up until the mistakes piled up down the stretch.—
Shreyas Laddha,
Kansas City Star,
7 Jan. 2026
-
Let’s look back on 2025 fantasy misses to look forward and avoid making the signature mistake of each whiff come the 2026 draft season.—
Michael Salfino,
New York Times,
7 Jan. 2026
Verb
-
Ball security The Hurricanes have fumbled the ball four times in the past two games and lost two of them — one apiece by Malachi Toney (first round against Texas A&M) and Fletcher (quarterfinal against Ohio State).—
Jordan McPherson,
Miami Herald,
7 Jan. 2026
-
Herbert, who threw four interceptions in his last postseason appearance, fumbled five times after only coughing up the ball twice in his first 12 games this season.—
Greg Dudek,
Boston Herald,
6 Jan. 2026
Verb
-
Dellandrea was injured in the Sharks’ game on Tuesday against the Columbus Blue Jackets as his right leg struck the post after he was inadvertently tripped while driving to the net.—
Curtis Pashelka,
Mercury News,
10 Jan. 2026
-
Any tease that the movie could possibly be about anything more — a love triangle, a recently deceased mother, a vet’s puzzlement that Hawaii doesn’t even have rabies — is nothing but a banana peel tripping the audience into expecting a narrative.—
Amy Nicholson,
Los Angeles Times,
9 Jan. 2026
Noun
-
In February 2020, a gas station in Boulder was not fined following a mix-up with its fuel transfers.—
Jennifer McRae,
CBS News,
9 Jan. 2026
-
Would the next Roberto Benigni podium-hurdle, envelope mix-up or even Slap have the same seismic cultural effect in a YouTube window?—
Seth Abramovitch,
HollywoodReporter,
7 Jan. 2026
Verb
-
Straight line winds can blow down trees, power lines, and damage mobile homes and other buildings.—
NC Weather Bot,
Charlotte Observer,
10 Nov. 2025
-
The Buffalo Bills were left stunned in Miami on Sunday afternoon as the Dolphins blew them out 30-13 in a crucial AFC East rivalry game.—
Scott Thompson,
FOXNews.com,
9 Nov. 2025
Verb
-
Government agencies and businesses that invest in this training, and that insist every critical number survives a deterministic check, will capture AI's benefits without stumbling into its blind spots.—
Arkansas Online,
Arkansas Online,
8 Jan. 2026
-
Dodge, still suffering the consequences of axing the popular previous generations of Charger and Challenger muscle cars, saw sales stumble down 28% compared with the previous year.—
Liam Rappleye,
USA Today,
8 Jan. 2026
Noun
-
Toys are supposed to be fun and exciting for children, while some are also educational, but a few products aimed at kids have caused a wave of confusion among adults.—
Alice Gibbs,
MSNBC Newsweek,
8 Nov. 2025
-
Clarity awaits amid confusion, Libra.—
Valerie Mesa,
PEOPLE,
8 Nov. 2025
Verb
-
Tim overcame his fear of screwing up again and asked Lucy to move in.—
Nellie Andreeva,
Deadline,
6 Jan. 2026
-
Jessica and Ashlee Simpson, ‘The Little Drummer Boy’ There really aren’t many ways to screw up a straightforward ballad that needs only a rolling snare drum as required instrumentation, but leave it to the Simpson sisters circa 2004 to burn it all down.—
Melissa Ruggieri,
USA Today,
4 Dec. 2025
Cite this Entry
“Foul-up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foul-up. Accessed 11 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share