thirtieth
- adjective
- /ˈθɜrtiəθ/
- The Family Planning Center will celebrate its thirtieth birthday next year.
- thirtieth anniversary
- thirtieth anniversary commemoration
- celebrated its thirtieth
Examples
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Like a thirtieth anniversary party for a divorced couple.
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My grandmother took me on a bus tour of Eastern Europe for my thirtieth birthday.
Blog text (18) -
On this point, the thirtieth anniversary of the movement was the occasion for more careful reflection.
Academic text (2000) -
What more can you ask of a thirtieth birthday than a deep slumber?
Fiction book (1998) -
We celebrated Billy's thirtieth birthday in his small Menlo Park apartment.
Fiction book (1999) -
Holding his magic sword, Stan left the elevator on the thirtieth floor and cautiously approached his office.
Fiction book (2001) -
Next month, I will turn thirtieth and celebrate with all my friends.
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The thirtieth page of the book contains the main event of the story.
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My brother's thirtieth wedding anniversary party was a grand affair.
Synonyms
The position that comes after the twenty-ninth in a list
How Late
Surface Forms
Morphology
Etymology
The word thirtieth is formed from thirty and the ending -th, which makes a number show its place; thirty comes from three and ten, so as an adjective thirtieth describes something that is 'in the 30th place'.