YourDictionary

yay

Yay is an expression of approval, great happiness or excitement. (interjection)

An example of yay is what you would shout upon winning the lottery.

YourDictionary Definitions. Copyright © 2012 by LoveToKnow Corp.

See yay in Webster's New World College Dictionary

See yay in American Heritage Dictionary 4

Learn more about yay

link/cite print suggestion box