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Meaning & Definition of Sub in English





1. A large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments)

  • Different names are used in different sections of the united states
  • bomber,
  • grinder,
  • hero,
  • hero sandwich,
  • hoagie,
  • hoagy,
  • Cuban sandwich,
  • Italian sandwich,
  • poor boy,
  • sub,
  • submarine,
  • submarine sandwich,
  • torpedo,
  • wedge,
  • zep

2. A submersible warship usually armed with torpedoes

  • submarine,
  • pigboat,
  • sub,
  • U-boat


1. Be a substitute

  • "The young teacher had to substitute for the sick colleague"
  • "The skim milk substitutes for cream--we are on a strict diet"
  • substitute,
  • sub,
  • stand in,
  • fill in

Examples of using

Let's keep this conversation sub rosa.
I want a sub rosa investigation of the bodies.