to fail
- verb
- /feɪl/
- Upstream flood control dams failed to contain the excess water.
- systems fail
- controls fail
- access fails
So that's why zeolites, that's where they fail, real flue gas conditions.
- So that's why zeolites, that's where they fail, real flue gas conditions.
- They don't work for everyone and they even fail to work for most people.
- And, you know, the system fails every few miles.
- When all else fails, they take you to war, right?
- And if all else fails, I still look like a creep.
- An airplane whose engine fails is a, is a glider.
- My brain just failed but I get what you mean.
- The so it's we, it hasn't failed yet is my answer.
- But also when you get out and bridges fail, relationships fail.
- So the setup to fail exists out there, right?
- When you're only one thing and that fails, your whole identity is gone.
Examples
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Rotator cuff tears are frequently managed nonoperatively; however, when conservative management fails, surgery is indicated.
Academic text (2017) -
When the power goes out and these modern conveniences fail, Americans are incapacitated.
Academic text (2008) -
Well, they say that it's failed, that it's not working.
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You know, the system failed you, just like it failed me.
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See, once the engines failed, the original route of the ship changed.
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I admit it, the plan failed.
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Preliminary readings have failed to identify the nature of the material.
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This stretcher has failed and must now be replaced.
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We identify reasons that sensors fail and how these failures can be minimized or avoided.
Academic text (2013) -
The old computer failed during the presentation, causing all the slides to disappear.
Synonyms
To stop working, often suddenly
To stop working because of a problem
To stop working for a short time
To stop working suddenly, especially for a computer or program
To stop working correctly, as a machine or device
To stop working or run out so nothing is left
To stop working suddenly
Stop working and need repair
To stop working suddenly or to fall asleep because of tiredness
When a program finds a big problem it stops and will not work
To stop working properly, often about machines
To stop a computer program suddenly because of an error
Antonyms
Idioms
Phrasal Verbs
Compounds
How Functional
Surface Forms
Etymology
Fail comes from old words like fallere, which meant 'to lack' or 'miss', and this idea is still used today. That's why when a machine fails it 'stops working' — it has a 'fault' or is missing something it needs.