厚こう謝しゃ

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

deep gratitude; profound thanks

A formal, somewhat literary expression of deep appreciation. Often used in written acknowledgments or speeches. Can be used as a noun or with する to express the act of thanking deeply.

• ご支し援えんに厚こう謝しゃの意いを表ひょうします。

  I express my deep gratitude for your support.

• 彼かれは恩おん師しに厚こう謝しゃした。

  He expressed profound thanks to his mentor.