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sub

/sʌb/
noun

  1. A submarine.

  2. A submarine sandwich: a sandwich made on a long bun.

    "We can get subs at that deli."

  3. A substitute, often in sports.

    "She worked as a sub until she got her teaching certificate."

Synonymsgrinder, hero, hero sandwich, hoagie, po' boy, spuckie
verb

  1. To substitute for.

  2. To work as a substitute teacher, especially in primary and secondary education.

  3. To replace (a player) with a substitute.

    "He never really made a contribution to the match, so it was no surprise when he was subbed at half time."

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sub — meaning, definition & examples | WordNote | WordNote