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