s, 0, 1, 6, 9 are letters that make '1960s'
60, 19, 96 are words within '1960s'
1 possible definitions for '1960s'
Under this definition, 1960s is a noun and has the following properties:
sixties has the same meaning as 1960s
'1960s' can be a type of decade, decennary, decennium.