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