twenties (root: twenty)

Noun twenties has 2 senses

• twenties(n = noun.time) mid-twenties - the time of life between 20 and 30;
is a kind of time of life
is a part of adulthood, maturity

• twenties(n = noun.time) 1920s - the decade from 1920 to 1929;
is a kind of decade, decennary, decennium