mistake
Americannoun
-
an error in action, calculation, opinion, or judgment caused by poor reasoning, carelessness, insufficient knowledge, etc.
- Synonyms:
- oversight, fault, erratum, inaccuracy
-
a misunderstanding or misconception.
- Antonyms:
- understanding
verb (used with object)
-
to regard or identify wrongly as something or someone else.
I mistook him for the mayor.
-
to understand, interpret, or evaluate wrongly; misunderstand; misinterpret.
- Synonyms:
- err, misjudge, misconceive
verb (used without object)
idioms
noun
-
an error or blunder in action, opinion, or judgment
-
a misconception or misunderstanding
verb
-
(tr) to misunderstand; misinterpret
she mistook his meaning
-
to take (for), interpret (as), or confuse (with)
she mistook his direct manner for honesty
-
(tr) to choose badly or incorrectly
he mistook his path
-
(intr) to make a mistake in action, opinion, judgment, etc
Commonly Confused
See misnomer.
Related Words
Mistake, blunder, error, slip refer to deviations from right, accuracy, correctness, or truth. A mistake, grave or trivial, is caused by bad judgment or a disregard of rule or principle: It was a mistake to argue. A blunder is a careless, stupid, or gross mistake in action or speech, suggesting awkwardness, heedlessness, or ignorance: Through his blunder the message was lost. An error (often interchanged with mistake ) is an unintentional wandering or deviation from accuracy, or right conduct: an error in addition. A slip is usually a minor mistake made through haste or carelessness: a slip of the tongue.
Other Word Forms
- mistaker noun
- mistakingly adverb
- unmistaking adjective
- unmistakingly adverb
Etymology
Origin of mistake
First recorded in 1300–30; Middle English mistaken (verb), from Old Norse mistaka “to take in error.” mis- 1, take
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.
Both Toto Wolff and Russell, at least outwardly, questioned whether McLaren were making a mistake last year in their 'let them race' policy.
From BBC • Mar. 31, 2026
Now that I’ve laid out my budgeting baggage, we want to hear from you: What’s the biggest money mistake you’ve ever made?
From MarketWatch • Mar. 31, 2026
“Like this could be the biggest mistake we’ve ever made.”
From The Wall Street Journal • Mar. 29, 2026
"They have to open up the Strait of Trump -- I mean Hormuz. Excuse me, I'm so sorry. Such a terrible mistake."
From Barron's • Mar. 27, 2026
Sooner or later we were going to make a mistake.
From "The Hiding Place" by Corrie ten Boom
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.