adverb
Yes, indeed.
(Midwestern US) Thus, so (now often accompanied by a hand gesture by way of measurement).
conjunction
(archaic) Or even, or more like, nay. Introduces a stronger and more appropriate expression than the preceding one.
interjection
(Southern US, Western US, African-American Vernacular) Yeah, right, yes.
noun
An affirmative vote, usually but not always spoken
interjection
(nonstandard, proscribed) Alternative spelling of yeah.
interjection
Misspelling of yay.