Where does this definition of foolproof come from?
This entry for foolproof is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does foolproof appear elsewhere on Lughet?
Yes — foolproof appears under other sources or language pairs in Lughet's collection. See the list below.
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.