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