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

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 next

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

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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

How does the noun blunder differ from other similar words?

diplomatic blunders

When might error be a better fit than blunder?

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

Orioles pitchers made two defensive blunders Saturday, and the absence of an ABS challenge cost Ryan Helsley in the ninth inning of a gutting loss. —

Jacob Calvin Meyer, Baltimore Sun, 4 Apr. 2026 Milwaukee challenged the play, and the replay clearly showed Bauers stepped on first, causing another blunder for Bucknor. —

Jason Ounpraseuth, MSNBC Newsweek, 1 Apr. 2026

Verb

Verizon never would have gotten the chance to buy Yahoo’s online operations if not for the company’s perpetual blundering under seven different CEOs in 16 years. —

Michael Liedtke, Los Angeles Times, 27 Mar. 2026 Indeed, the blundering machines have been pretty controversial since the moment they were deployed, with Coco launching its service in 2024, and Serve last September. —

Frank Landymore, Futurism, 26 Mar. 2026 See All Example Sentences for blunder

Recent Examples of Synonyms for blunder

Noun

And it's allowed for a lot of mistakes.

— Alex Crippen, CNBC, 11 Apr. 2026
In some cases, that décor mistake can inadvertently make a space feel cluttered.

— Wendy Rose Gould, Martha Stewart, 11 Apr. 2026

Definition of mistake

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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 19 Apr. 2026.

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Synonyms of blunder

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