thirties

Words with a similar base: mid-thirties, thirties

'thirties'

[thirties.n.01] as in: the time of life between 30 and 40

'thirties'

[thirties.n.02] as in: the decade from 1930 to 1939

'thirties'

[thirty.n.01] as in: the cardinal number that is the product of ten and three