sub

noun
UK: /sʌb/
US: /sʌb/

  1. A submarine.

    1. The sub went deep under the sea. [ ] [ ]
    2. The navy used a sub to explore the ocean floor for research purposes. [ ] [ ]

  2. A sandwich, usually long and filled with cold cuts, cheese, and vegetables.

    1. I ate a sub for lunch today. [ ] [ ]
    2. He ordered a large sub with extra toppings from the deli around the corner. [ ] [ ]

  3. A substitute teacher or player.

    1. The sub was very helpful in class. [ ] [ ]
    2. Our team needed a sub when Mark got sick before the big game. [ ] [ ]

Synonyms

submarine sandwich substitute replacement
sub verb

  1. To work as a substitute.

    1. I sub at the school sometimes. [ ] [ ]
    2. She used to sub at the local elementary school while looking for a full-time job. [ ] [ ]

  2. To replace something or someone temporarily.

    1. Can you sub for me tomorrow? [ ] [ ]
    2. They had to sub the injured player with someone from the bench. [ ] [ ]
sub adjective

  1. Acting as a substitute.

    1. He is a sub teacher now. [ ] [ ]
    2. The sub committee reviewed the proposal before it went to the main group. [ ] [ ]
sub prefix

  1. Being a rank below; subordinate.

    1. A sub captain led the mission. [ ] [ ]
    2. The sub division reported directly to the main company headquarters downtown. [ ] [ ]
sub abbreviation

  1. A subordinate; someone or something of a lower rank or position.

    1. He is a sub in the group. [ ] [ ]
    2. The leader needs to delegate more tasks to the subs of the organization. [ ] [ ]

Frequently Asked Questions

The word "sub" in English means: A submarine., A sandwich, usually long and filled with cold cuts, cheese, and vegetables., A substitute teacher or player..

The phonetic transcription of "sub" is /sʌb/ in British English and /sʌb/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "sub": submarine, sandwich, substitute, replacement.

Example usage of "sub": "The sub went deep under the sea.". More examples on the page.