Where does this definition of perfidiously come from?
This entry for perfidiously is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is perfidiously a noun, verb, or something else?
In this entry, perfidiously is tagged as 2adv..
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.