What is the meaning of the word "vietnamese"?

Definitions:

  1. collectively, the people of Vietnam copy to clipboard noun
    • The Vietnamese love coffee. copy to clipboard
  2. of or relating to or characteristic of Vietnam or its people or its language copy to clipboard adjective
    • The Vietnamese countryside is popular with visitors. copy to clipboard
  3. the Vietnamese language copy to clipboard noun
    • We spoke to the street vendors in Vietnamese. copy to clipboard