Definitions:

1. having lived for a relatively long time or attained a specific age adjective
   • Your siblings are both very old.
2. past times noun
   • In days of old, I could've been a traveling photographer.
3. skilled through long experience adjective
   • an old offender

Synonyms:

• chronic
• erstwhile
• former
• honest-to-god
• honest-to-goodness
• older
• one-time
• onetime
• previous
• quondam
• sometime
• sure-enough

NearBy Words:

• old
• old-fashioned
• old-fashionedness
• old-hat
• old-line
• old-maidish
• old-man-of-the-woods
• old-time
• old-timer
• old-womanish
• old-world
• olden
• oldenburg
• older
• oldfield
• oldie
• oldish
• oldline
• oldness
• oldster
• oldtimer
• oldwench
• oldwife