A dent is a small, inward impression on a surface. Whereas the surface was once smooth, something pushed against it, perhaps causing a small amount of damage.
My car has a dent.
There’s a dent on the door.
That old car has a lot of dents on it.
You can take your car to a body shop and they’ll pull out the dents.
It cost a thousand dollars to fix a dent in the fender.
We got a discount when we bought this refrigerator because it has a dent on the front door.
We’re barely making a dent in paying off our debts. (The word "dent" is often used in reference to making progress in paying back loans.)
The word "dent" is also used as a verb:
Someone dented my car.
If you’re not careful about where you park your car, it might get dented. (This clause is in the passive voice.)
Someone dropped a heavy object on the table and dented the top.
Aluminum siding on a house is easily dented.
Metal trash cans are often dented because they get banged around so much.
