This means when someone tries to do something but does not succeed. It is often used for exams, tasks, or goals. People say 'fail' to show something did not work well.
I fail my test and feel sad.
He failed to open the door.
This meaning is for machines or equipment that stop working or break. When a machine 'fails', it does not work as it should.
The car failed on the road.
The computer failed this morning.
This use is for people, things, or systems that lose their power or strength, often gradually. For example, health or a structure can 'fail' when it becomes weak or breaks.
His health failed after many years.
The old bridge failed during the storm.
This meaning is to not do something you should do, like a responsibility or promise. It means forgetting or not trying enough to do the right thing.
She failed to call me yesterday.
He failed in his duty at work.
This use means not doing something required by law or rules, like paying money or following laws. It is more formal and used in legal or official contexts.
He failed to pay his taxes on time.
The company failed to meet the law rules.
This meaning is when something like an organ or a system stops working completely, often suddenly. It can be about health or technology.
His heart failed during the night.
The system failed after the update.
This use means not having enough or the right quality of something needed. It often shows something is not good or complete enough.
His plan failed to meet the needs.
The project failed in quality control.
