불만이 · 불만을
dissatisfaction, complaint
Example
손님들이 서비스에 대해 불만이 많아요.
Customers have a lot of complaints about the service.
Word parts
불 not+만 full
Literally 'not full': not satisfied.
Good to know
불만 is the feeling; to voice it, say 불만을 말하다 or 불평하다.
Related words