Hey and Hi

Hi is a synonym for hey in exclamation topic. In some cases you can use "Hi" instead the word "Hey" as a interjection or a noun, when it comes to topics like hello, how do you do. popular alternative

Hi noun - An expression of greeting.

Hey is a synonym for hi in exclamation topic. You can use "Hey" instead the word "Hi" as a interjection or a noun, if it concerns topics such as hello, how do you do.