Where does this definition of on the up grade come from?
This entry for on the up grade is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is on the up grade a noun, verb, or something else?
In this entry, on the up grade is tagged as adv..
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.