thirty

noun
UK: /ˈθɜːti/
US: /ˈθɝːti/

  1. The number 30.

    1. I am thirty years old now. [ ] [ ]
    2. She celebrated her thirtieth birthday with thirty of her closest friends. [ ] [ ]
thirty adjective

  1. Being one more than twenty-nine.

    1. He is thirty years old. [ ] [ ]
    2. The company has thirty employees, making it a medium-sized business. [ ] [ ]

Frequently Asked Questions

The phonetic transcription of "thirty" is /ˈθɜːti/ in British English and /ˈθɝːti/ in American English. Click the 🔊 button to hear both pronunciations.

Example usage of "thirty": "I am thirty years old now.". More examples on the page.