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