Definition of sub

Definition of sub
  1. sub Noun A submarine.
  2. sub Noun A submarine sandwich—a sandwich made on a long bun.
  3. sub Noun A substitute.
  4. sub Noun A substitute in a football (soccer) game: someone who comes on in place of another player part way through the game.
  5. sub Noun Short for subscription: a payment made for membership of a club, etc.
  6. sub Noun A submissive in BDSM practices.
  7. sub Noun Short for subtitle.
  8. sub Noun A subroutine (sometimes one that does not return a value, as distinguished from a function, which does).
  9. sub Verb To substitute for.
  10. sub Verb To work as a substitute teacher, especially in primary and secondary education.
  11. sub Verb To replace (a player) with a substitute.
  12. sub Verb Less commonly, and often as "sub on", to bring on (a player) as a substitute.
  13. sub Verb To perform the work of a subeditor or copy editor; to subedit.
  14. sub Preposition Under.
Need more help? Try our forum NEW