26984 words

thirties

4 definitions • 6 examples
1
A person's thirties are the period in which they are aged between 30 and 39:

Examples:

My brother is in his thirties.
2
the range of temperature between 30° and 39°:

Examples:

The temperature is expected to be in the thirties tomorrow.
3
the decade (= period of ten years) between 30 and 39 in any century, usually 1930–1939:

Examples:

My grandparents fled Germany in the thirties.
4
the numbers 30 through 39:

Examples:

My sisters are in their thirties (= between 30 and 39 years old).
The temperature is expected to be in the thirties (= between 30° and 39°) tomorrow.
These dresses were fashionable in the thirties (= between 1930 and 1939).

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