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English definition of “fifty”

fifty

 
 
/ˈfɪfti/
A2 the number 50Cardinal numbers, including nought and zero
the fifties the years from 1950 to 1959Decades, centuries and the millennium
be in your fifties to be aged between 50 and 59Describing age and birthdays
fiftieth 50th written as a wordOrdinal numbers
(Definition of fifty from the Cambridge Learners Dictionary © Cambridge University Press)
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