Fail

/feɪl/

Meaning & Definition

noun
An act of failing or proving unsuccessful.
His failure to meet the deadline was noted by the supervisor.
A lack of success in achieving a desired outcome.
The project was deemed a fail after many setbacks.
verb
To be unsuccessful in achieving one's goal or objective.
Despite his efforts to study, he failed the exam.
To neglect to do something or to fall short.
She failed to submit the report on time.
To cease to function or operate.
The engine failed, and the car came to a stop.

Etymology

From Middle English faillen, from Old French faillir, from Latin fallere 'to deceive, to fail'.

Common Phrases and Expressions

fail to deliver
To not meet expectations or promises.
fail grade
A grade that indicates a student did not pass a test.
fail-safe
A system designed to shut down safely in the event of a failure.
failure to act
Falling short of taking required action in a situation.

Related Words

failure
The lack of success in achieving a desired goal.
failing
A weakness or defect, especially in character.
flop
A total failure, especially in performance.
setback
A reversal or hindrance in progress.

Slang Meanings

Epic fail
He tried to impress her, but it was an epic fail.
Failing hard
I was failing hard at cooking tonight.
Total fail
That movie was a total fail.