Old sierra Synonyms

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

Synonyms for phrase

OS abbreviation

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

Sierra replaced

Definitions for Sierra


  • (noun) a range of mountains (usually with jagged peaks and irregular outline )
  • (noun) a Spanish mackerel of western North America