submarine
/ˌsʌbməˈrin/
adjective
- Existing, occurring, or used under the surface of the sea.
- Submarine volcanoes can erupt on the ocean floor.
- Submarine cables carry internet data across the ocean.
- The team studied submarine life near the coral reef.
verb
- To move or operate underwater, especially in a submarine.
- The vessel can submarine to depths of over 1,000 feet.
- The research boat will submarine to collect samples from the seabed.
- The crew learned how to submarine safely during training.
- To slide or fall suddenly under something, especially in sports or accidents.
- The driver submarined under the steering wheel upon impact.
- During the crash, the passenger submarined under the seat belt.
- The football player tried to submarine under the defender's tackle.
noun
- A watercraft that can travel underwater, used for military purposes, research, or exploration.
- The navy sent a submarine to explore the deep ocean trench.
- The submarine surfaced near the coast to recharge its batteries.
- My uncle served on a submarine for three years.
- A long sandwich made with a roll of bread filled with meat, cheese, and vegetables; also called a sub, hoagie, or hero.
- I ordered a turkey and cheese submarine for lunch.
- The deli makes the best submarine sandwiches in town.
- She packed a submarine in her bag for the road trip.
Synonyms