Where does this definition of as old as Adam come from?
This entry for as old as Adam is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is as old as Adam a noun, verb, or something else?
In this entry, as old as Adam is tagged as 2adj..
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.