Where does this definition of extra polite come from?
This entry for extra polite is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is extra polite a noun, verb, or something else?
In this entry, extra polite is tagged as 2adj..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.