hi/haɪ/1a short way to say helloCopyHi, nice to meet you.CopyHi, what is your name?CopyHi, would you like to join us for lunch?CopyHi, it's a beautiful day, isn't it?CopyHi, do you like to read books?CopySynonyms: greetingswhat's uphow-do-you-dohellohowdyhullo