From Wiktionary, the free dictionary
Compare Pacoh coul (“sharpen poorly”).
cùi
- be blunt
cùi • (㽿, 癩, 𪽵)
- (pathology, informal) (bệnh ~) leprosy
- Synonyms: hủi, phong
Cognate with Chut [Rục] kuːl² ("cob of corn").
cùi • (𢶟, 𩲡)
- parts of the fruit, include the core and/or the flesh
cùi
- (Southern Vietnam, colloquial) of low quality