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.
His advice is to notify the preparer about the mistake and ask for an explanation.
From MarketWatch • Apr. 1, 2026
As beautiful as this book is, worthy of the finest coffee table, it would be a mistake to call it a hagiography.
From The Wall Street Journal • Apr. 1, 2026
It sparked a flame of doubt in his parents' minds: "Had our clinic made a mistake?"
From BBC • Mar. 31, 2026
“I left to another part of Lebanon the last war and I regretted it. I won’t make the same mistake, and I trust the men who are fighting the Israelis,” she said.
From Los Angeles Times • Mar. 27, 2026
I nod to the portrait and realize my mistake just as I’m doing so.
From "The Brightwood Code" by Monica Hesse
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.
