yay
adverb/jeɪ/
/jeɪ/
(informal, especially North American English)- to this degree synonym so
- The fish I caught was yay big.
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- to a high degree synonym extremely
- Yay good movie!
Word Originexclamation 1960s: perhaps an alteration of yeah.adverb 1960s: probably a variant of yea.
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yay