BOO-BOO Synonyms: 54 Similar and Opposite Words

boo-boo

noun

ˈbü-(ˌ)bü

Definition of boo-boo

as in mistake

an unintentional departure from truth or accuracy the president should not be making boo-boos in something as important as the State of the Union Address

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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 boo-boo When Cody trips and falls in the grass, his friends band together to comfort him and get him a bandage for his boo-boo. — Elisabeth Sherman, Parents, 9 May 2025 Be magnanimous and forgiving if others make a boo-boo. — Georgia Nicols, Denver Post, 27 Nov. 2025 Junior Colson made a large rookie boo-boo, hitting a sliding Maye late. — Nick Canepa, San Diego Union-Tribune, 28 Dec. 2024 In his first start in two weeks, Marc-Andre Fleury survived a first-shift boo-boo and made 28 saves to improve to 4-0-1. — Michael Russo, The Athletic, 21 Nov. 2024 Mike Trout presumably has witnessed every possible blooper, blunder and boo-boo in 16 seasons with the woeful Angels. — Steve Henson, Los Angeles Times, 3 June 2026 The Sun newspaper reports that Robinson made the boo-boo Friday morning during the BBC’s flagship current affairs radio show The Today Programme. — Caroline Frost, Deadline, 19 Oct. 2024

Recent Examples of Synonyms for boo-boo

Noun

Despite the full lineup and passionate patriotic crowd in Seattle, Team USA looked uncomfortable from the start, fell behind early, made sloppy mistakes and could not keep up with the Belgians, who move on to face Spain in the quarterfinals.

— Miami Herald, Miami Herald, 7 July 2026
The scribe carefully inscribed each line with a quill made from a goose feather, while their other hand wielded an erasing knife used to sharpen the quill and scrape away any mistakes.

— Literary Hub, Literary Hub, 6 July 2026

Definition of mistake

Noun

Sometimes this was committed to good, such as the Marshall Plan and the Peace Corps, and sometimes to ill, as in a series of military blunders meant to quash godless Communism.

— Jim Rasenberger, The Atlantic, 4 July 2026
German Chancellor Friedrich Merz has also fallen foul of Germany’s World Cup elimination by Paraguay, after stumbling into a social media debacle following a communications blunder.

— Sebastian Stafford-Bloor, New York Times, 1 July 2026

Definition of blunder

Noun

Third baseman Ryan McMahon also committed a throwing error, New York's 19th in its last 14 games.

— ABC News, ABC News, 4 July 2026
England is hoping karma is on its side after a famous goal-scoring error sealed a World Cup loss to Argentina 40 years ago at Azteca Stadium.

— Eduard Cauich, Los Angeles Times, 4 July 2026

Definition of error

Browse Nearby Words

boobish

boo-boo

boo-boos

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Style

“Boo-boo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/boo-boo. Accessed 9 Jul. 2026.

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Synonyms of boo-boo

noun

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