Fif·ty, n.; pl. Fifties
1. The sum of five tens; fifty units or objects.
2. A symbol representing fifty units, as 50, or l.
Fif·ty a. Five times ten; as, fifty men.
adj : being ten more than forty [syn: 50, l]
n 1: the cardinal number that is the product of ten and five
[syn: 50, L]
2: a United States bill worth 50 dollars [syn: fifty dollar