noun
words of thanks; acknowledgements
Formal expression of gratitude, often used in speeches, prefaces, or written acknowledgements. Not casual 'thank you'.
卒業式で、彼は指導教員への謝辞を述べた。
At the graduation ceremony, he gave words of thanks to his advisor.
論文の最後に謝辞を載せる。
I include acknowledgements at the end of the thesis.
noun
Rare formal use for an apology; more commonly expressed with 謝罪 or お詫び. May appear in older or very formal written contexts.
古い文書では、謝辞が謝罪の意味で使われることがある。
In old documents, 謝辞 is sometimes used to mean an apology.