fail

verb
UK /feɪl/
US /feɪl/

To not succeed at something you try to do.

He was sad because he failed the test.


OTHER MEANINGS

2. To stop working properly.

The old car's brakes failed on the hill.

3. To not do something that is expected or required.

She failed to call her mother back.

4. To become weaker or fade away.

His eyesight began to fail as he got older.