IPA: /ˈtwɛnti/
KK: /ˈtwɛnti/
The number that comes after nineteen and before twenty-one, often used to refer to the range of numbers from 20 to 29 or the age group of people in their twenties.
She turned twenty last week and is excited to celebrate her birthday.
Twenty → The word 'twenty' originates from Old English 'twentig', which is formed from 'twen' (meaning two) and '-tig' (meaning a group of ten). Thus, twenty literally means two groups of ten.
Think of 'two' ('twen') and 'ten' ('-tig') to remember that twenty is two groups of ten.