Similar words: mid-thirties, thirtieth, thirty, thirty-one, thirty-two, thirteen, thirtyish, thirteenth. Meaning: ['θɜrtɪ /'θɜːtɪ] 
n. 1. the time of life between 30 and 40 2. the decade from 1930 to 1939.
n. 1. the time of life between 30 and 40 2. the decade from 1930 to 1939. 
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1. My brother is in his thirties.
2. He lived in Canada in the thirties.
3. She appeared to be in her late thirties.
4. In the thirties, air travel really began to take off.
5. The family sold the house in the early thirties.
6. In the thirties unemployment was widespread.
7. She must be in her early thirties by now.
8. She must be into her thirties by now.
9. My family fled Germany in the thirties.
10. The temperature is expected to be in the thirties tomorrow.
11. Nowadays many women are in their late thirties when they have their first child.
12. In her twenties and thirties she had had no difficulty getting jobs.
13. It wasn't until Durant was in her thirties that she found her calling .
14. He was in his thirties when he decided to enter the church.
15. At its peak in the Thirties, Underground design and architecture was all of a piece.
16. She became quite a notable director in the thirties and forties.
17. By the late Thirties, eugenics was waning.
18. No one foresaw the Great Depression of the thirties.sentencedict.com
19. You must be in your middle thirties.
20. Over thirty percent were in their thirties.
21. Dad started going bald when he was in his thirties.
22. He would attack at night, preying on lone women in their twenties or thirties.
23. It's sometimes hard to imagine how bad things were in the thirties.
24. The temperature is almost eighty degrees, the humidity in the low thirties.
25. I never felt stiff after training until I was in my thirties.
26. He's living proof that footballers can still play at the highest level into their late thirties.
27. Mrs White gave birth to a fine healthy baby at her late thirties.
28. It is most often diagnosed in women in their thirties and forties, although I've seen it in many younger women, as well.
29. Jules, the story's narrator, is an actress in her late thirties.
30. His wife was a petite dark-haired woman in her early thirties.
More similar words: mid-thirties, thirtieth, thirty, thirty-one, thirty-two, thirteen, thirtyish, thirteenth, thirty-first, mid-forties, properties, chemical properties, take liberties with, physical properties, colligative properties, shirt, T-shirt, shirty, ties, polo shirt, duties, shirtwaist, undershirt, sport shirt, sweatshirt, panties, equities, twenties, nineties, eighties.