thirties

thir·ty  (thûrt)

n. pl. thir·ties

1. The cardinal number equal to 3 × 10.

2. thirties

a. A decade or the numbers from 30 to 39: They settled down in their thirties. The temperature fell into the thirties.

b. often Thirties The decade from 30 to 39 in a century.

3. An indication of the end of a news story, usually written 30.

4. Sports The second point that is scored by one side in tennis.

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[Middle English thritty, thirty, from Old English thrtig; see trei- in Indo-European roots.]

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thirty adj. & pron.

Thesaurus

Noun	1.	thirties - the time of life between 30 and 40 mid-thirties, thirty-something time of life - a period of time during which a person is normally in a particular life state adulthood, maturity - the period of time in your life after your physical growth has stopped and you are fully developed
	2.	thirties - the decade from 1930 to 1939 1930s decade, decennary, decennium - a period of 10 years