This is the 876th most frequent Vietnamese word.
vui
"Vui" means "happy" or "joyful."
Here, 'vui' is used to express a feeling of happiness or joy due to an event, showing an emotional state.
Tôi cảm thấy rất vui khi gặp lại bạn.
I feel very happy to see you again.
In this sentence, 'vui' describes the enjoyable or entertaining nature of the event, reflecting the mood or environment.
Buổi tiệc tối qua rất vui.
The party last night was very fun.
Here, 'vui' combined with 'tính' (characteristic) forms 'vui tính', which describes a personality trait of being cheerful or humorous.