yay

1
[ yey ]
/ yeɪ /

interjection Informal.

(an exclamation used to express joy, excitement, etc.)

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Origin of yay

1
First recorded in 1960–65; perhaps alteration of yeah

Words nearby yay

Definition for yay (2 of 2)

yay2

or yea

[ yey ]
/ yeɪ /

adverb Informal.

to the extent, amount, etc., indicated: The doll is about yay high.

Origin of yay

2
probably < yea1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for yay

British Dictionary definitions for yay

yay
/ (jeɪ) /

interjection

informal an exclamation indicating approval, congratulation, or triumph

Word Origin for yay

C20: perhaps from yeah
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012