eighty · NUMBER /ˈeɪ.ti/Full view
eighty
A2 the number 80
Dictionary examples:

seventy, eighty, ninety

They've invited eighty (guests) to the wedding.

Learner example:

The film is a fantasy novel and it [was] written by Tolkien about eighty years ago. (Preliminary English Test; B1; Italian)

(be) in your eighties
B2 to be aged between 80 and 89
Dictionary example:

Many of the residents are in their eighties.

the eighties
B2 the years from 1980-1989
Dictionary example:

They moved to Britain in the eighties.

Learner example:

He is a normal man with no special education but he became famous during the eighties as a musician. (First Certificate in English; B2; German)

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