Fail

/feɪl/

verbBeginnerVery CommonGeneral

Definitions

5 meanings
1

To be unsuccessful; to not succeed in doing something.

/feɪl/

verbnegativeBeginner
General

To be unsuccessful in achieving a desired result.

The project failed due to lack of funding.

💡 Simply: Imagine you try to bake a cake, but it burns. You *fail*! It means you didn't do what you were trying to do. Like, if you try to catch a ball and you miss, you fail at catching it.

👶 For kids: When you try to do something but it doesn't work.

More Examples

2

She failed to understand the instructions.

3

He tried to jump the fence but failed.

How It's Used

Academic

"The student failed the exam."

Business

"The company failed to meet its sales target."

2

To break down or stop working.

/feɪl/

verbnegativemedium
General

To stop functioning or working.

The engine failed during the test drive.

💡 Simply: Imagine a lightbulb that goes out. It *fails* to work anymore. It can also describe something like your heart; if it can't work anymore, it fails.

👶 For kids: When something stops working.

More Examples

2

The brakes failed, causing the car to crash.

3

His eyesight began to fail as he got older.

How It's Used

Technology

"The computer failed due to a power outage."

Medical

"His heart failed after the operation."

Tip:Think of a machine that stops working - it has failed.
3

Lack of success; an unsuccessful person or thing.

/feɪl/

nounnegativeBeginner
General

Lack of success.

His business ended in failure.

💡 Simply: When something you try doesn't work, that's a *failure*. Like, if you bake cookies and they taste terrible, the cookies are a failure.

👶 For kids: When something doesn't work out the way you want.

More Examples

2

The experiment was a failure.

3

The failure of the negotiations led to increased tensions.

How It's Used

General

"The project was a complete failure."

Business

"The company declared bankruptcy due to a string of failures."

Tip:Remember the disappointment when something doesn't work out - a failure.
4

Lack of fulfilling a duty, obligation, or expectation

/feɪl/

nounnegativemedium
Legal

Failure to fulfill a duty.

The failure of the government to act was widely criticized.

💡 Simply: If you were supposed to feed the dog and didn't, that's a failure. Or if you promise to do something and don't do it, that's a failure.

👶 For kids: When you don't do something you're supposed to do.

More Examples

2

He admitted his failure to pay his taxes.

3

Her failure to attend the meeting caused concern.

How It's Used

Law

"Failure to appear in court results in a warrant for your arrest."

Personal Responsibility

"She was criticized for her failure to meet her commitments."

Tip:Think of not meeting a deadline or expectation. It's a failure to uphold a responsibility
5

To become weaker, less effective, or deficient.

/feɪl/

verbnegativemedium
General

To become weak or deficient.

His health was beginning to fail.

💡 Simply: When something is getting weak, like your eyesight as you get older. Or, when your courage starts to run out.

👶 For kids: To become not as strong or good anymore.

More Examples

2

The supply of resources failed due to the storm.

3

Her strength failed after running the marathon.

How It's Used

Health

"His eyesight was failing with age"

Emotions

"Her courage failed when faced with danger."

Tip:Think of something gradually weakening, losing its power or efficiency.

Idioms & expressions

without fail

Definitely; certainly; without exception.

"The sun rises every day without fail."

From Old French *faillir* 'to be lacking, err', from Latin *fallere* 'to deceive, disappoint, be wanting'.

Used since the 13th century, originally meaning 'to be lacking' or 'to fall short'.

Memory tip

Imagine falling down during a race – you've failed to win.

faillfale

Usage

60%Spoken
40%Written