BLUNDER Synonyms: 109 Similar and Opposite Words

Q: How does the noun 'blunder' differ from other similar words?

Some common synonyms of blunder are error , lapse , mistake , and slip . While all these words mean "a departure from what is true, right, or proper," blunder regularly imputes stupidity or ignorance as a cause and connotes some degree of blame. // diplomatic blunders

Q: When might 'error' be a better fit than 'blunder'?

The synonyms error and blunder are sometimes interchangeable, but error suggests the existence of a standard or guide and a straying from the right course through failure to make effective use of this. // procedural errors

Q: Where would 'lapse' be a reasonable alternative to 'blunder'?

The meanings of lapse and blunder largely overlap; however, lapse stresses forgetfulness, weakness, or inattention as a cause. // a lapse in judgment

Q: When is 'mistake' a more appropriate choice than 'blunder'?

The words mistake and blunder are synonyms, but do differ in nuance. Specifically, mistake implies misconception or inadvertence and usually expresses less criticism than error . // dialed the wrong number by mistake

Q: When can 'slip' be used instead of 'blunder'?

While in some cases nearly identical to blunder , slip stresses inadvertence or accident and applies especially to trivial but embarrassing mistakes. // a slip of the tongue

blunder 1 of 2

noun

Definition of blunder

as in mistake

an unintentional departure from truth or accuracy fixed a minor blunder in the advertising flyer

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Antonyms & Near Antonyms

blunder

2 of 2

verb

ˈblən-dər

as in to fumble

to make a mistake even though the prosecution had blundered several times in presenting its case, it ultimately prevailed

Synonyms & Similar Words

as in to stumble

to proceed or act clumsily or ineffectually blundered his way through an acceptance speech

Synonyms & Similar Words

Antonyms & Near Antonyms

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How does the noun blunder differ from other similar words?

Some common synonyms of blunder are error, lapse, mistake, and slip. While all these words mean "a departure from what is true, right, or proper," blunder regularly imputes stupidity or ignorance as a cause and connotes some degree of blame.

diplomatic blunders

When might error be a better fit than blunder?

The synonyms error and blunder are sometimes interchangeable, but error suggests the existence of a standard or guide and a straying from the right course through failure to make effective use of this.

procedural errors

Where would lapse be a reasonable alternative to blunder?

The meanings of lapse and blunder largely overlap; however, lapse stresses forgetfulness, weakness, or inattention as a cause.

a lapse in judgment

When is mistake a more appropriate choice than blunder?

The words mistake and blunder are synonyms, but do differ in nuance. Specifically, mistake implies misconception or inadvertence and usually expresses less criticism than error.

dialed the wrong number by mistake

When can slip be used instead of blunder?

While in some cases nearly identical to blunder, slip stresses inadvertence or accident and applies especially to trivial but embarrassing mistakes.

a slip of the tongue

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 blunder

Noun

Holding her tongue is not Kate’s forte in general, and the severity of Todd’s avalanche of blunders in their meeting with the British foreign secretary tests the outer limits of her ability. — Sophie Brookover, Vulture, 17 Oct. 2026 Nevertheless, Muse’s early days were filled with security and privacy blunders. — Adam Clark Estes, Vox, 16 Oct. 2026

Verb

The Team Penske star just needed a moment to vent on his team radio about a pit crew blunder before charging from 17th to first for his second consecutive NASCAR Cup Series win at New Hampshire Motor Speedway. — ABC News, 23 Aug. 2026 Coincidentally, Johnson found himself in the doghouse last year after a special-teams blunder, while Homer is an ace on those units. — Mike Defabo, New York Times, 21 July 2026 See All Example Sentences for blunder

Recent Examples of Synonyms for blunder

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

Verb

On the first play of Rutgers' next drive, Surace was sacked at the Rutgers 8 and fumbled with Northwestern’s Jamaal Johnson recovering.

— ABC News, ABC News, 24 Oct. 2026
The Chiefs actually missed a 43-yard field goal that would have won the game in regulation — after Justin Houston forced Lamar Jackson to fumble — but won the game with a short kick in overtime.

— Sam McDowell, Kansas City Star, 23 Oct. 2026

Definition of fumble

Verb

There was upset after upset, and a few teams were on the verge of stumbling as well.

— David Troy OutKick, FOXNews.com, 24 Oct. 2026
Next week will bring major risks for a stock market that's trying to find its footing as the AI trade continues to stumble, with several megacap earnings, a Federal Reserve meeting and a key inflation report in store.

— Sarah Min, CNBC, 23 Oct. 2026

Definition of stumble

Verb

Doing so tripped Sixers All-Star guard Tyrese Maxey, and the nearest official immediately whistled for an offensive foul, Towns’ second inside the first four minutes of the season opener.

— Kristian Winfield, New York Daily News, 22 Oct. 2026
Even after Ball tripped Adebayo and knocked him out of the Heat-Charlotte Hornets play-in tournament game early last season, Spoelstra said the Heat left that moment in the past when asked about the play prior to Wednesday’s season opener.

— Anthony Chiang, Miami Herald, 22 Oct. 2026

Definition of trip

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bluffs

blunder

blunderbuss

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“Blunder.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/blunder. Accessed 28 Oct. 2026.

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Synonyms of blunder

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verb

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