• more Thesaurus
  • Definition
    • sub :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

    • sub :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

      • sub :a submersible warship usually armed with torpedoes

        • {{t.term}} - {{t.type}}
      • Derivative