Meaning of fail in English
1. a failure
I will be there without fail tomorrow morning.
2. an unsuccessful result in a test or examination
1. not succeeding in doing or getting something wanted
He fails every time he tries.
Our plans failed.
2. not pass a test or course of study
He failed geometry.
He failed in the examination.
3. not do something, often because you forget it
He failed to come.
Our supply will soon fail.
The power failed after the hurricane. ー There was a power failure after the hurricane.
A number of banks failed during the Lehman shock.