Synonyms of OLD

adjective

1. skilled through long experience

   • OLDER6

2. belonging to some prior time

   • ERSTWHILE15
   • FORMER11
   • ONETIME9
   • QUONDAM19
   • SOMETIME12

   Also: one-time.

3. (used informally especially for emphasis)

   Also: honest-to-god, honest-to-goodness, sure-enough.

4. just preceding something else in time or order

   • PREVIOUS13