submarine
Submarine (noun) means a vessel built to travel underwater, especially beneath the sea. Example: “The crew spent six months aboard the submarine without surfacing.”
How to use submarine
Learner’s notesIn plain EnglishMost often the underwater naval vessel; informally, "to submarine" something means to secretly undermine or torpedo it.
Word forms
- Third person singular
- submarines
- Past tense
- submarined
Fill the gap
Can you complete this real example?
The crew spent six months aboard the _____ without surfacing.
Etymology
From sub- ("under") plus marine ("of the sea").