確認する

• Reading: かくにんする
• Romaji: kakunin suru
• Kanji breakdown: 確 (kaku) — certain, sure; 認 (nin) — acknowledge, recognise
• Pronunciation: /ka.kɯ.niɴ.sɯ.ɾɯ/

Meaning

To confirm; to verify; to check. A formal way of expressing the act of confirming information, schedules, or facts.

A する verb formed from the noun 確認 (confirmation). More formal and businesslike than 確かめる. Extremely common in workplaces, emails, and official communication. Often used as ご確認ください (please check/confirm) in polite requests.

Examples

1. メールの内容を確認してから返信した。 I replied after checking the contents of the email.
2. 予約の日時をもう一度確認した。 I double-checked the date and time of the reservation.
3. 書類に間違いがないか確認してください。 Please check the documents for any errors.

Usage Guide

Context: business, email, official communication

Tone: professional

Origin & History

Compound of 確 (kaku, certain) and 認 (nin, acknowledge/recognise). Together they mean to acknowledge as certain — verifying something is correct.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal