再さい確かく認にん

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再確認する · noun or participle which takes 'suru'

Meanings

reconfirmation; reaffirmation; revalidation

Used for checking or verifying something again to ensure correctness, often in formal, business, or procedural contexts.

〈事こと〉を再さい確かく認にんするto reconfirm something
出しゅっ発ぱつ前まえに予よ約やく内ない容ようを再さい確かく認にんした。
I reconfirmed the reservation details before departure.
〈事こと〉を再さい確かく認にんしておくto reconfirm something in advance, just to be safe
会かい議ぎの時じ間かんを再さい確かく認にんしておいてください。
Please double-check the meeting time in advance.
〈事こと〉について再さい確かく認にんするto reconfirm regarding a certain matter
契けい約やく条じょう件けんについて再さい確かく認にんする必ひつ要ようがある。
We need to reconfirm the terms of the contract.
再さい確かく認にんが必ひつ要ようだreconfirmation is necessary
このデータは再さい確かく認にんが必ひつ要ようです。
This data needs to be reconfirmed.

確かく認にんN4
確認 is the general word for checking or verifying something, while 再確認 specifically means checking it a second time to be sure.
見み直なおし
見直し means reviewing or reconsidering something (often to spot errors), while 再確認 focuses narrowly on verifying that something is still correct.
検けん証しょうN1
検証 is verification through testing or evidence, whereas 再確認 is simply checking again what was already stated or agreed.

再さい認にん識しき
再確認 means re-checking a fact or arrangement, while 再認識 means coming to realize or appreciate something anew, so the two are easily mixed up despite the similar 再〜 form.

Compound of 再 (さい, 'again') and 確認 (かくにん, 'confirmation').