fail

To be unsuccessful.

Throughout my life, I have always failed.

If they ſhoulde gyue battayle it was to be doubted, leaſt through treaſon amõgſt themſelues, the armie ſhould be betrayed into the enimies hands, the which would not fayle to execute all kinde of crueltie in the ſlaughter of the whole nation.

Not to achieve a particular stated goal. (Usage note: The direct object of this word is usually an infinitive.)

The truck failed to start.

To neglect.

The report fails to take into account all the mitigating factors.

Those who have advocated the closure of the G.C. have so far failed to say by which alternative route this North-to-West traffic could be carried.

Of a machine, etc.: to cease to operate correctly.

After running five minutes, the engine failed.

We also found that the only emergency egress from the tram was by smashing the front or rear windscreens, and that emergency lighting had failed when the tram overturned.

To be wanting to, to be insufficient for, to disappoint, to desert; to disappoint one's expectations.

I've failed my parents many times growing up.

There shall not fail thee a man on the throne.

A failure, especially of a financial transaction (a termination of an action).

A failing grade in an academic examination.

A failure (something incapable of success).

Poor quality; substandard workmanship.

The project was full of fail.

Unsuccessful; inadequate; unacceptable in some way.