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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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 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 Be magnanimous and forgiving if others make a boo-boo. — Georgia Nicols, Denver Post, 27 Nov. 2025 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 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 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

And if so, did Democrats make a mistake by not investing earlier?

— ABC News, ABC News, 25 Oct. 2026
Tampa Bay, which won the AL pennant by forcing opponents into mistakes, committed one error, made two other misplays that could have been charged as errors and had a runner thrown out at the plate.

— Ronald Blum, Los Angeles Times, 25 Oct. 2026

Definition of mistake

Noun

Burks said that leadership blunders are at the problem’s crux.

— Fort Worth Star-Telegram, Fort Worth Star-Telegram, 24 Oct. 2026
Soon-to-be Cy Young Award winner Jacob Misiorowski held the Rays to just one run in his five innings, but certainly not without the help of some Rays baserunning blunders.

— Ryan Morik OutKick, FOXNews.com, 24 Oct. 2026

Definition of blunder

Browse Nearby Words

boobish

boo-boo

boo-boos

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“Boo-boo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/boo-boo. Accessed 31 Oct. 2026.

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Synonyms of boo-boo

noun

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