American Dictionary

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Definition thirties in American English

thirties noun

[plural] noun
/ˈθɜrtiz/
1

the years from 1930 to 1939

Example

She grew up in the thirties.

Example

a thirties house

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2

a temperature in the thirties is between 30 and 39 degrees

Synonyms and related words
3

aged between 30 and 39

Example

She was in her late thirties.

Synonyms and related words
Definition thirties in American English