Ancient, aged... Depends on the context!
Another word for not old is young.
"Ancient" is another word for very old.
We will rent the apartment for another month.She bought another dog after her collie died.What is another word for strong?Would you like another piece of pie?I wish my old boyfriend would give our relationship another chance.
Another word for 40 year old is 4 decades. 8D
Another word for an old female cat is a grimalkin.
old
aged
old, decrepit
Elder
ancient
Old, retro
veterans