/ sʌb; NAmE / noun , verb
■ noun ( informal )
1.
= submarine
2.
a substitute who replaces another player in a team :
He came on as sub.
3.
( BrE ) a subscription (= money that you pay regularly when you are a member of a club, etc.)
4.
( BrE ) a subeditor
5.
( NAmE ) a substitute teacher
■ verb
1.
[ vn ] to replace a sports player with another player during a game
SYN substitute :
He was subbed after just five minutes because of a knee injury.
2.
[ v ] sub (for sb) to do sb else's job for them for a short time
SYN substitute
3.
[ vn ] sub sth for sth to use sth instead of sth else, especially instead of the thing you would normally use
SYN substitute :
For a lower-calorie version of the recipe, try subbing milk for cream.
4.
[ vnn ] sub sb sth ( BrE , informal ) to lend sb money for a short time :
Could you sub me £50 till next week?