- 1number 60
- 2noun the sixties [plural] numbers, years, or temperatures from 60 to 69 Idioms
between the ages of 60 and 69
in your sixtiesjump to other results
sixtiethjump to other results
NAmE//ˈsɪkstiəθ//ordinal number, noun There are examples of how to use ordinal numbers at the entry for fifth.