Used informally as an affirmative response; functions like the adverbial use of “yes.”
Definitionen
Informal equivalent of “yes,” used to give an affirmative reply or to seek confirmation. —Are you coming tonight? —Yeah, I’ll be there.
Occasionally used countably to mean an affirmative vote or statement.
Definitionen
An affirmative vote or expression of agreement. The proposal passed with 18 yeahs and 5 nays.