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Definitions

error

[er-er] / ˈɛr ər /
NOUN
mistake; wrong
Synonyms
STRONGEST
blunder failure fault flaw glitch inaccuracy lapse miscalculation miscue misdeed mismanagement misstep misunderstanding offense omission sin transgression wrongdoing
STRONG
X absurdity boner boo-boo delinquency delusion deviation erratum fall fallacy falsehood falsity goof howler misapprehension misconception miss oversight screamer slight slip solecism stumble trespass untruth
WEAK
bad job faux pas misbelief misjudgment screwup slipup
Antonyms
STRONGEST
accuracy achievement behavior correctness obedience perfection right strength success
STRONG
certainty fact honesty reality surety truth
WEAK
correction validity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Shares have little to trade on other than isolated company announcements and investor sentiment, as quantum enthusiasts await milestones like wide-scale commercialization and a reduction in error rates.

From Barron's • Apr. 8, 2026

That’s when an error opened the door for the Cougars to take a 2-0 lead.

From Los Angeles Times • Apr. 7, 2026

But its sophistication masks the fact that it’s a more seductive version of the same error.

From Salon • Apr. 6, 2026

Despite an error against Manchester City in the Carabao Cup final, Arteta stuck with cup goalkeeper Kepa Arrizabalaga in favour of regular David Raya.

From BBC • Apr. 4, 2026

A four-year error is inconsequential if everyone agrees to make the same mistake, as, indeed, we have.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife