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