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sub

SUB/sʌb/

Pluralsubs

Verbsubs, subbing, subbed

26 meanings of sub

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  1. 1
    sandwichnounabbreviationclipping
    Short for submarine sandwich. A big sandwich made on a long bread roll.

    I'll have a turkey sub with extra pickles, please.

    He ate a whole sub for lunch and still wanted more.

    Similarsubmarine, hoagie, hero, grinder, torpedo

    Note
  2. 2
    replacementnouncolloquialabbreviationclipping
    Short for substitute: someone who takes another person's place, especially a teacher or sports player.

    We had a sub in math class because Ms. Lopez was sick.

    The coach put in a sub when Sam hurt his ankle.

    Note
  3. 3
    underwater boatnounabbreviation
    Short for submarine. A boat that can travel under the water.

    The sub slowly went under the waves until we could not see it.

    My grandfather served on a sub when he was in the navy.

    Note
  4. 4
    verbcolloquialUSintransitive
    To take the place of someone or something for a while, especially to teach another teacher's class.

    Can you sub for me at work on Saturday?

    Mia subbed for our singer when he lost his voice.

    UsageSay sub for someone: I'm subbing for Dave.

    Similarsubstitute, cover

  5. 5
    bass speakernounslangabbreviationclipping
    Short for subwoofer: a speaker that plays very deep bass sounds.

    He put a big sub in the trunk of his car.

    Turn the sub down, the walls are shaking!

    Note
  6. 6
    channel membershipnouncolloquialabbreviationclipping
    Short for subscription: a sign-up to follow an online channel, or a person who has signed up.

    Every new sub helps my small cooking channel grow.

    She canceled her sub to the sports feed to save money.

    Note
  7. 7
    contract workernouncolloquialabbreviationclipping
    Short for subcontractor: a worker or company hired to do part of another contractor's job.

    The electrician on our job is a sub, not part of the builder's own crew.

    Our contractor called his sub to come and fix the roof.

    Note
  8. 8
    captionnouncolloquialabbreviationclipping
    Short for subtitle. The words at the bottom of the screen that show what people say.

    I always watch foreign movies with the subs on.

    Wait, that sub says cat, but she clearly said hat.

    UsageSay with subs: we watched it with English subs.

    Note
  9. 9
    add captionsverbslangtransitive
    To add written words to a movie or TV show that show what people say.

    A fan group will sub the new episode by tomorrow.

    My friend subbed the whole movie into Spanish for her parents.

    Similarsubtitle

  10. 10
    obedient partnernouncolloquialabbreviationclipping
    Short for submissive. In BDSM, the partner who agrees to follow the other partner's lead.

    In their relationship, she is the dom and he is the sub.

    A sub can stop at any time by saying a special agreed word.

    Note
  11. 11
    take off playerverbcolloquialtransitive
    In sports, to take one player out of a game and put another in.

    The manager decided to sub his captain after an hour.

    Jones was subbed at half-time because he had hurt his knee.

    UsageOften be subbed: he was subbed off.

    Similarsubstitute, replace

  12. 12
    club duesnouncolloquialBritishabbreviationclipping
    Short for subscription. Money you pay to belong to a club, or to get a magazine regularly.

    Have you paid your subs for the tennis club yet?

    The chess club's annual sub has gone up to thirty pounds.

    UsageMembers pay their subs each year.

    Note

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Origin

A short form of longer words that begin with sub-.

Checked 1 Nov 2026 · 1 fact

  • Sub is a shortened form of various longer words beginning with sub-. en.wiktionary.org