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confirm

/kənˈfɜːrm/
verb★Intermediate
formal

To establish the truth or validity of something, often through evidence or verification.

The lab results confirmed the diagnosis.

The test results confirmed the patient's condition.

💡

Often used in formal or professional contexts to verify information.

general

To make something certain or definite, often by providing assurance or proof.

Can you confirm your attendance at the meeting?

Please confirm if you will be attending the event.

💡

Commonly used in requests for verification or assurance.

Collocations

confirm a bookingTo verify a reservation.confirm a theoryTo validate a hypothesis or idea.confirm a suspicionTo verify a hunch or doubt.

Synonyms

Antonyms

Related Phrases

confirm or denyphrase
To either verify or reject a statement.

💡Pro Tip

Formal vs. Informal Use

Use 'confirm' in formal contexts like emails or official documents. In casual speech, you might say 'verify' or 'check'.

⚡Gold Rule

Precision in Verification

When confirming information, ensure the source is reliable to avoid misinformation.

📖Word Origin

From Latin 'confirmare', meaning 'to strengthen' or 'to make firm'.

📝Usage Notes

Often used in formal or professional contexts, such as business, law, or science, to verify information.

Word Breakdown

con-
with
prefix
+
firm
strong or solid
root
✎ Noted on May 27, 2026EN → EN

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