adv

• (Midwestern American English) Thus, so (now often accompanied by a hand gesture by way of measurement).
  ""The pony was about yea high," he explained, holding out his hand, palm down, roughly level with his chin."

conj

• (archaic) Or even, or more like, nay. Introduces a stronger and more appropriate expression than the preceding one.
  "[N]ow ſuch a liue vngodly, vvithout a care of doing the wil of the Lord (though they profeſſe him in their mouths, yea though they beleeue and acknowledge all the Articles of the Creed, yea haue knowledge of the Scripturs) yet if they liue vngodly, they deny God, and therefore ſhal be denied, […] (with modern spelling) [N]ow such a life ungodly, without a care of doing the will of the Lord (though they profess him in their mouths, yea though they believe and acknowledge all the Articles of the Creed, yea have knowledge of the Scriptures) yet if they live ungodly, they deny God, and therefore shall be denied"

intj

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

intj

• (nonstandard, proscribed) Alternative spelling of yeah.