The Vietnamese word "keo cú" is an adjective that describes someone who is stingy or miserly. It is often used to refer to a person who is unwilling to spend money or share resources, even when they have enough to do so. The term conveys a negative connotation, implying that the person is overly cautious or tight with their finances.
While "keo cú" primarily refers to stinginess, it can also imply a general lack of generosity in other areas, such as time or effort. However, the core meaning remains focused on financial stinginess.