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