What part of speech is “yay”

The noun form of 'yay' is used to refer to an expression of rejoicing or excitement, or anything associated with such an expression, such as a cheer. It can be used to refer to the expression itself, or to the act or act of expressing it. For example, someone could say 'The students celebrated with a big yay!'. When used as a noun, 'yay' usually emphasizes a positive sentiment or reaction, but can also be used sarcastically.

1. Her friends all cheered with a loud yay when she won the race.

2. The student was unable to contain his yay when he found out he got accepted into the program.

3. He rolled his eyes when he heard her say yay after failing the test.

When using 'yay' as a noun, it is important to remember that it is not always used in a positive context. It can also be used sarcastically. Additionally, take care to remember that it is singular only; it is not the plural form of 'yays'.

as an interjection, 'yay' is an exclamation that expresses joy, excitement, triumph, approval, or encouragement.

Interjections are words or phrases that express strong emotion or sudden exclamations. They are often set apart from a sentence by an exclamation point or by a comma if the feeling's not as strong.

Yay! We won the game!

I finally finished my project, yay!

Yay for weekends!

'Yay' can sometimes be confused with 'yea.' While 'yay' is an exclamation of excitement or joy, 'yea' is a formal affirmative vote or an archaic way of saying 'yes.'

The length of the 'a' in 'yay' can be extended for emphasis, e.g., 'Yaaay!' 'Yay' is informal and is best used in casual conversation or writing.