Sub
Pronunciation: /ˈsʌb/
Sub (noun)
- a type of underwater boat used by the navy.
- a teacher who temporarily takes over a class when the regular teacher is absent.
- a long sandwich filled with meat, cheese, and vegetables.
Examples
- The sub dived deep into the ocean.
- A sub can stay underwater for weeks.
Common collocations: nuclear sub, sub crew, call a sub, sub schedule, Italian sub
Sub (verb)
- to take the place of someone temporarily, especially in a job or role.
Examples
- She will sub for the manager during his vacation.
- He subbed in the soccer match yesterday.