A jar is a container with a wide opening. People use it to keep food like jam or honey. It can be made of glass or plastic.
She put jam in the jar.
The jar is full of cookies.
To jar means to shake or shock something suddenly. It often means something moves roughly or is disturbed. You can feel a jar when a car hits a bump.
The loud noise jarred the windows.
The car jarred when it hit a bump.
To jar can mean causing someone to feel upset or uncomfortable. It can also mean something hurts your senses, like bright light or a loud sound.
His rude words jarred her deeply.
The bright light jarred my eyes.
When something jars, it does not agree with or match something else. It causes a conflict or shock in thoughts or feelings. This can make people feel uncomfortable.
The new rules jar with our traditions.
Her opinion jarred against his beliefs.
A jar is a sudden hit or shock to a machine or vehicle. This can cause parts to move suddenly or get damaged. It is often unexpected and rough.
There was a jar when the car stopped.
The jar damaged the machine parts.
In some British English use, a jar means a sudden surprise, usually unpleasant. It is similar to a shock that you do not expect in daily life.
It was a real jar to see him again.
The news came as a jar to all.
