An adverb meaning 'again' or 'repeatedly'. Often used in polite language (e.g., '重ねて申し上げます' = 'I would like to say again').
重ねて申し上げますが、会議は明日の午後に変更になりました。
Let me say again: the meeting has been moved to tomorrow afternoon.
同じミスを重ねてはならない。
You must not make the same mistake repeatedly.
今回の結果を重ねて検討し、次の計画を立てる。
We will review these results repeatedly and formulate the next plan.
重ねてお礼を申し上げます。ご協力に感謝します。
I thank you again. I appreciate your cooperation.