Old sixty Synonyms

We can't find synonyms for the phrase "Old sixty", but we have synonyms for terms, you can combine them.

Sixty Synonyms

OS abbreviation

OS is an abbreviation for Old Sixty
What does OS stand for?
OS stands for "Old Sixty"

Definitions for Old


  • (adjective) being of advanced years and especially past middle age
  • (adjective) dating or surviving from the distant past
  • (adjective) having been such at some previous time

Definitions for Sixty


  • (noun) the cardinal number that is the product of ten and six
  • (adjective) being ten more than fifty