Dictionary.com
definitions
  • synonyms

o/s

See more synonyms for o/s on Thesaurus.com
  1. (of the calendar) Old Style.
  2. out of stock.
  3. (in banking) outstanding.
Show More

O/S

  1. (of the calendar) Old Style.
Show More
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018