Adjective: 80- Being ten more than seventy
- eighty, lxxx, fourscore [archaic]
Noun: 80- The cardinal number that is the product of ten and eight
"She lived to be 80";
- eighty, LXXX, fourscore [archaic]
Derived forms: 80s
See also: cardinal
Type of: large integer
Encyclopedia: 80,000 Suspects