Overview of noun thirties

The noun thirties has 2 senses

• thirties, mid-thirties, thirty-something -- (the time of life between 30 and 40)


• thirties, 1930s -- (the decade from 1930 to 1939)

Overview of noun thirty

The noun thirty has 1 sense

• thirty, 30, XXX -- (the cardinal number that is the product of ten and three)