Where does this definition of blunder upon sth. come from?
This entry for blunder upon sth. is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is blunder upon sth. a noun, verb, or something else?
In this entry, blunder upon sth. is tagged as 2v..
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.