Definition of "hooray"

hooray

/həˈɹeɪ/

interjection
1. Used to express approval, joy or victory.
noun
plural hoorays
1. A shout to signify victory.
2. An expression of excitement.
verb
third-person singular simple present hoorays, present participle hooraying, simple past and past participle hoorayed
1. To shout an expression of excitement.