noun

1. An affirmative vote, usually but not always spoken

adverb

1. Yes.

2. Thus, so (now often accompanied by a hand gesture).

   “The pony was yea high.”

Synonyms: aye, yeah, yep, yes, yigh, yup

conjunction

1. Or even, or more like, nay. Introduces a stronger and more appropriate expression than the preceding one.

interjection

1. (in some dialects of American English, including Southern, Western, and African American Vernacular) Yeah, right, yes.