sub

/sʌb/
verb
  1. To act as a substitute for someone.
    • She subbed for the lead singer at the concert.
    • He subbed in for the injured player during the second half.
    • I can sub for you at the meeting if you're busy.
  2. To subscribe to a service or publication.
    • He subbed to the streaming service for a year.
    • I subbed to their YouTube channel last week.
    • She subbed to the newsletter for daily updates.
adjective
  1. Short for submarine, used in phrases like 'sub sandwich'.
    • She ordered a sub sandwich with extra pickles.
    • We bought sub rolls for the picnic.
    • The deli makes great sub sandwiches.
preposition
  1. Under or below (used in some fixed phrases, especially in academic or legal contexts).
    • The document was marked sub rosa, indicating it was confidential.
    • In the classification, this species is sub genus.
    • The case is sub judice, meaning it is under judicial consideration.
noun
  1. A substitute, especially a person who takes the place of another in a job, team, or role.
    • The soccer team brought in a sub for the injured player.
    • I worked as a sub for the mail carrier while she was on vacation.
    • The teacher was sick, so a sub came to class.
  2. A submarine.
    • The sub surfaced near the coast.
    • We watched a documentary about life on a nuclear sub.
    • The navy sent a sub to explore the deep ocean.
  3. A sandwich made with a long roll of bread, typically filled with meat, cheese, and vegetables.
    • I ordered a turkey sub for lunch.
    • His favorite sub is meatball with extra cheese.
    • She bought a foot-long sub from the deli.
  4. A subscription, especially to a service or publication.
    • Her sub to the magazine ran out last week.
    • I got a sub to the streaming service for a month.
    • They offer a free trial sub for new users.
What does "sub" mean? | whatsthatwordmean | whatsthatwordmean