Noun

• S: (n) twenties, mid-twenties (the time of life between 20 and 30)
• S: (n) twenties, 1920s (the decade from 1920 to 1929)
• direct hypernym / inherited hypernym / sister term
• S: (n) decade, decennary, decennium (a period of 10 years)
• S: (n) time period, period of time, period (an amount of time) "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"
• S: (n) fundamental quantity, fundamental measure (one of the four quantities that are the basis of systems of measurement)
• S: (n) measure, quantity, amount (how much there is or how many there are of something that you can quantify)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• S: (n) twenty, 20, XX (the cardinal number that is the sum of nineteen and one)
• S: (n) twenty dollar bill, twenty (a United States bill worth 20 dollars)
• direct hypernym / inherited hypernym / sister term