Synonyms of fail

fail 1 of 4

verb (1)

ˈfāl 

1

as in to die

to stop functioning

my car failed just as I was about to head to work

Synonyms & Similar Words

• die
• crash
• stall
• break
• cut out
• give out
• break down
• sputter
• conk (out)
• fizzle
• malfunction
• act up
• jam
• wheeze

Antonyms & Near Antonyms

• start (up)

2

as in to collapse

to be unsuccessful

despite all the publicity, the movie failed miserably at the box office

Synonyms & Similar Words

• collapse
• miss
• flop
• struggle
• fold
• flunk
• bomb
• strike out
• fall short
• tank
• come up empty
• fall flat
• decline
• come to grief
• flame out
• wash out
• lay an egg
• die on the vine
• founder
• crash
• come a cropper
• slip
• crumble
• crater
• flounder
• fall on one's face
• wane
• sink
• slump
• miscarry
• implode
• skid
• misfire
• go under
• self-destruct

Antonyms & Near Antonyms

• succeed
• go
• deliver
• click
• work out
• go over
• come off
• thrive
• prosper
• flourish
• cook
• win
• prevail
• pan out
• triumph

3

as in to disappoint

to fall short in satisfying the expectation or hope of

although the minor-league franchise continues to fail local fans, hope springs eternal

Synonyms & Similar Words

• disappoint
• let down
• cheat
• displease
• upset
• dissatisfy
• distress
• bum (out)
• deceive
• disillusion
• delude
• disenchant
• mock
• discontent
• chagrin
• disgruntle

Antonyms & Near Antonyms

• satisfy
• fulfill
• gratify
• content
• fulfil
• gladden

4

as in to weaken

to lose bodily strength or vigor

ever since she reached the age of 90, Grandma has been noticeably failing

Synonyms & Similar Words

• weaken
• fade
• go
• sag
• sink
• deteriorate
• wilt
• languish
• droop
• wither
• decay
• waste (away)
• lag
• flag
• emaciate
• wear out
• yield
• break down
• rot
• degenerate
• run down

Antonyms & Near Antonyms

• recover
• rally
• recuperate
• rebound
• gain
• convalesce

5

as in to forget

to miss the opportunity or obligation

failed to mention that he was looking for new job

Synonyms & Similar Words

• forget
• neglect
• omit
• ignore
• miss out on
• disregard
• pass over
• overlook
• skip
• slight
• slide
• pretermit
• default
• slip
• overpass

Antonyms & Near Antonyms

• remember
• do
• keep
• observe
• mind
• perform
• heed
• execute
• carry out
• meet
• practice
• satisfy
• fulfill
• comply (with)
• discharge
• practise
• fulfil

failing

2 of 4

noun

ˈfā-liŋ 

as in fault

a defect in character

we could talk about your failings, but it would take all night

Synonyms & Similar Words

• fault
• weakness
• shortcoming
• sin
• deficiency
• demerit
• foible
• want
• feet of clay
• vice
• frailty
• sinfulness
• dereliction
• flaw
• evil
• imperfection
• stain
• blot
• soft spot
• blemish
• minus
• spot
• corruption
• immorality
• nit
• wickedness
• depravity
• Achilles' heel

Antonyms & Near Antonyms

• virtue
• merit
• excellence
• perfection
• integrity
• morality
• goodness
• righteousness
• probity
• rectitude

failing

3 of 4

adjective

as in dying

Synonyms & Similar Words

• dying
• declining
• waning
• decaying
• feeble
• weak
• precious
• debilitated
• wasted
• weakened
• enfeebled
• overrefined
• wimpy
• degenerate
• frail
• decayed
• languid
• sapped
• enervated
• overripe
• decadent
• enervate
• degraded
• soft
• immoral
• dissolute
• demoralized
• effete
• washed-up
• debased
• depraved
• debauched
• dissipated

Antonyms & Near Antonyms

• undecadent

failing

4 of 4

verb (2)

present participle of fail

1

as in crashing

to stop functioning

my car failed just as I was about to head to work

Synonyms & Similar Words

• dying
• crashing
• stalling
• breaking
• cutting out
• giving out
• breaking down
• malfunctioning
• sputtering
• conking (out)
• wheezing
• fizzling
• jamming
• acting up

Antonyms & Near Antonyms

• starting (up)

2

as in collapsing

to be unsuccessful

despite all the publicity, the movie failed miserably at the box office

Synonyms & Similar Words

• collapsing
• struggling
• missing
• flopping
• folding
• bombing
• flunking
• declining
• striking out
• foundering
• tanking
• cratering
• falling short
• crashing
• falling flat
• flaming out
• laying an egg
• washing out
• coming to grief
• coming up empty
• slipping
• dying on the vine
• crumbling
• floundering
• slumping
• falling on one's face
• coming a cropper
• skidding
• waning
• sinking
• misfiring
• imploding
• miscarrying
• going under
• self-destructing

Antonyms & Near Antonyms

• succeeding
• going
• delivering
• working out
• going over
• clicking
• coming off
• cooking
• prospering
• thriving
• flourishing
• winning
• prevailing
• panning out
• triumphing

3

as in disappointing

to fall short in satisfying the expectation or hope of

although the minor-league franchise continues to fail local fans, hope springs eternal

Synonyms & Similar Words

• disappointing
• cheating
• letting down
• dissatisfying
• upsetting
• distressing
• displeasing
• deceiving
• disillusioning
• bumming (out)
• discontenting
• deluding
• mocking
• chagrining
• disenchanting
• disgruntling

Antonyms & Near Antonyms

• satisfying
• gratifying
• fulfilling
• contenting
• gladdening

4

as in weakening

to lose bodily strength or vigor

ever since she reached the age of 90, Grandma has been noticeably failing

Synonyms & Similar Words

• weakening
• fading
• going
• sagging
• sinking
• lagging
• deteriorating
• decaying
• drooping
• flagging
• languishing
• wilting
• withering
• wasting (away)
• emaciating
• wearing out
• rotting
• yielding
• breaking down
• degenerating
• running down

Antonyms & Near Antonyms

• recovering
• rallying
• gaining
• recuperating
• convalescing
• rebounding

5

as in forgetting

to miss the opportunity or obligation

failed to mention that he was looking for new job

Synonyms & Similar Words

• forgetting
• neglecting
• omitting
• ignoring
• missing out on
• disregarding
• sliding
• passing over
• defaulting
• skipping
• overlooking
• pretermitting
• slipping
• overpassing
• slighting

Antonyms & Near Antonyms

• remembering
• keeping
• doing
• performing
• observing
• practicing
• executing
• carrying out
• heeding
• fulfilling
• meeting
• satisfying
• discharging
• minding
• practising
• complying (with)

Synonym Chooser

How does the noun failing differ from other similar words?

Some common synonyms of failing are fault, foible, frailty, and vice. While all these words mean "an imperfection or weakness of character," failing suggests a minor shortcoming in character.

being late is a failing of mine

When might fault be a better fit than failing?

The synonyms fault and failing are sometimes interchangeable, but fault implies a failure, not necessarily culpable, to reach some standard of perfection in disposition, action, or habit.

a writer of many virtues and few faults

When is foible a more appropriate choice than failing?

While in some cases nearly identical to failing, foible applies to a harmless or endearing weakness or idiosyncrasy.

an eccentric's charming foibles

When could frailty be used to replace failing?

The words frailty and failing are synonyms, but do differ in nuance. Specifically, frailty implies a general or chronic proneness to yield to temptation.

human frailties

When would vice be a good substitute for failing?

Although the words vice and failing have much in common, vice can be a general term for any imperfection or weakness, but it often suggests violation of a moral code or the giving of offense to the moral sensibilities of others.

compulsive gambling was his vice

Example Sentences

Recent Examples of fail

Verb

Traffic moving north from La Grange, with its 25 mph speed limit, tended to speed up while traffic coming south from Westchester often failed to slow from the 40 mph limit there, officials said. —Hank Beckman, Chicago Tribune, 24 Apr. 2025

After having pulled through a dramatic home price correction over the past couple of years, the former pandemic boomtown of Austin, Texas, is now navigating even more troubled waters, as buyers scared off by brewing economic uncertainty are failing to show up for the city's growing housing supply. —Thomas G. Moukawsher, MSNBC Newsweek, 24 Apr. 2025

Noun

Many pegged the original Xbox's capacitor failings, sometimes after six or seven years, as part of the plague. —Kevin Purdy, Ars Technica, 20 Mar. 2025

Making a bold move and failing is not the real risk here. —Alla Adam, Forbes, 4 Mar. 2025

Verb

Last year, 23andMe agreed to pay $30 million in cash to settle a class-action lawsuit accusing the company of failing to protect customers whose personal information was exposed in this breach. —Wyatte Grantham-Philips, Chicago Tribune, 24 Mar. 2025

The penalties for failing to comply are harsh. —Kelly Phillips Erb, Forbes, 24 Mar. 2025