Definition from macmillandictionary.com
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I’m too proud to admit failure.
Their first attempt to climb Everest ended in failure.
She is depressed by her continued failure to find a job.
The failure of the talks has made the situation worse.
He was angry about the failure of the UN to intervene in the crisis.
Failure to comply with the rules can result in expulsion.
The crash seems to have been caused by an engine failure.
He died from liver failure.
Business failures soared by more than a third in the second half of this year.
The party was a total failure.
I feel such a failure.
a failure of imagination