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adv Uncommon

mistakenly

mih-STAY-kuhn-lee
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Mistakenly (adv) means In a way that is wrong or due to an error; by accident. Example: “He mistakenly sent the email to the whole office.”

adv
1
In a way that is wrong or due to an error; by accident.
"Today I mistakenly took your packed lunch to work."
"He mistakenly sent the email to the whole office."
"She mistakenly assumed the store was closed."

How to use mistakenly

Learner’s notes

In plain EnglishBy error, without meaning to.

Common pairings
mistakenly believed mistakenly assumed
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He _____ sent the email to the whole office.

Etymology

From mistaken plus the adverb-forming suffix -ly.

Related words

Rhymes for mistakenly

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Frequently asked questions

What does “mistakenly” mean?
The word “mistakenly” means in a way that is wrong or due to an error; by accident. In plain terms, by error, without meaning to.
How do you pronounce “mistakenly”?
“Mistakenly” is pronounced mih-STAY-kuhn-lee (/mɪˈsteɪ.kən.li/ in IPA).
How do you use “mistakenly” in a sentence?
Here is “mistakenly” used in a sentence: “He mistakenly sent the email to the whole office.”
What part of speech is “mistakenly”?
“Mistakenly” is an adverb.
Is “mistakenly” a common word?
“Mistakenly” is an uncommon word in modern English.

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