Alsoさいこうけいご
- highest honorifics; honorific language mainly reserved for speaking of or to a member of the Imperial familylinguistics
noun (common) (futsuumeishi)
Generated: This term refers specifically to the most respectful form of speech used in Japanese, particularly when addressing or referring to members of the Imperial family. It's a very formal and polite way of communication that underscores the status of the person being spoken about.
I spoke to His Majesty the Emperor using the highest honorifics.