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