Definition

1. Noun:

   • A submersible warship: A watercraft capable of operating completely underwater, typically armed with torpedoes for naval warfare.
   • A large sandwich: A long sandwich made with a cylindrical roll of bread, split lengthwise and filled with various meats, cheeses, and vegetables.

2. Adjective:

   • Existing, occurring, or used beneath the surface of the sea: Describing something that is located or functions underwater.

3. Verb:

   • To attack or sink using a submarine: To torpedo or assault from an underwater vessel.
   • To control or operate a submarine.
   • To move or slide forward underneath something: To propel oneself low and forward, often in a sliding motion.
   • (In sports) To bring down with a low tackle or blow to the legs.
   • To throw with an underhand motion.

Usage Examples

• Noun (Warship):
  • The navy deployed a submarine to patrol the coast.
  • Sonar is used to detect enemy submarines.
• Noun (Sandwich):
  • For lunch, I ordered a meatball submarine with extra cheese.
  • This deli makes the best submarine in town.
• Adjective:
  • Scientists study submarine volcanoes and their ecosystems.
  • The submarine cable connects the continents for telecommunications.
• Verb (Attack):
  • The fleet was submarined during the night attack.
• Verb (Control):
  • Only highly trained officers can submarine these complex vessels.
• Verb (Move Under):
  • The child submarined under the table to hide.
  • The player submarined under the safety belt during the crash.

Advanced Usage

• "To go submarine": To disappear from view or to operate covertly.
  • The company's research division went submarine to develop the new product in secret.
• Submarine pitch (Baseball): A pitch thrown with a distinctive underhand or sidearm motion.
  • The pitcher's submarine delivery confused the batters.

Variants and Related Words

• Submersible (n): A small craft designed for underwater operation, often for research.
• Submarine sandwich (n): Full term for the large sandwich. Common regional variants include: , , , .
• Submariner (n): A sailor who serves on a submarine.

Synonyms

• Noun (Ship): Submersible, U-boat (historical context).
• Noun (Sandwich): Hoagie, grinder, hero.
• Adjective: Undersea, underwater, subaquatic.
• Verb (Attack): Torpedo, sink.
• Verb (Move under): Slip under, slide under.

Related Phrasal Verbs/Phrases

• Submarine through: To move through something in a low, sliding manner.
  • He submarined through the crowd to get to the front.

Related Idioms

• Run silent, run deep: An idiom associated with submarine warfare, meaning to operate secretly and effectively.
  • Our strategy is to run silent, run deep and avoid detection.

Adjective

1. beneath the surface of the sea

Noun

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
2. a submersible warship usually armed with torpedoes

Verb

1. attack by submarine
   • The Germans submarined the Allies
2. control a submarine
3. bring down with a blow to the legs
4. throw with an underhand motion
5. move forward or under in a sliding motion
   • The child was injured when he submarined under the safety belt of the car