What does "1980s" mean?

The decade beginning in 1980 and ending in 1989.

What is a synonym for "1980s"?

Common synonyms include: eighties.

noun

noun ·Rare ·Advanced level

Noun

1
The decade beginning in 1980 and ending in 1989. plural, plural-only
"On the Alxa Plateau of Inner Mongolia, Gaxun Nur Lake (262 km²) dried in the 1970s and the Sogo Nur Lake in the 1980s."
2
plural of 1980 form-of, plural
3
the decade from 1980 to 1989 wordnet

"On the Alxa Plateau of Inner Mongolia, Gaxun Nur Lake (262 km²) dried in the 1970s and the Sogo Nur Lake in the 1980s."