Skip to main content
to fail

to fail

105 3.2
Become weaker or less able over time
  • verb
  • /feɪl/
translation icon : debilitarse
  • His health has been failing for several years, requiring regular medical attention.
  • failing health
  • a failing heart
  • failing systems

Her vitals began to fail and she started to die.

Autoplay Next

Examples

  • Meanwhile, economic growth was apparently failing to benefit the majority of poor Latin Americans.

    Academic text (1992)
  • Explain that just because his kidneys are failing now doesn't mean he will need dialysis in the near future.

    Academic text (2015)
  • It's the state that is failing the people of California.

  • The government is failing on its primary job.

  • Her vitals began to fail and she started to die.

  • The rural areas have the same problems with failing systems that we find in rural areas of Kentucky.

    Academic text (1994)
  • In the course of time, however, failing health left him an unhappy and peevish man.

  • So, I mean, it was only like a year after my dad kicked it, my mom's health is failing.

  • Recent reports of Layls' failing health were denied by his personal physician, Dr. Park.

    Fiction book (1992)
  • Soon, Columbus knew, his arthritic and gout-ridden body would fail him, and it would be too late.

    Academic text (1992)

Synonyms

to deteriorate
vsto fail
146 5.9

To get worse in quality, condition, or value

is used mainly for weakening strength, health, or quality
to falter
vsto fail
48 4.9

To lose confidence, strength, or determination and become less able to continue

describes steady physical or health weakening rather than wavering confidence
to go downhill
vsto fail
  • Informal
37 3.9

To become worse over time in quality or condition

is mainly about weakening strength, health, or quality rather than general decline
to go sour
vsto fail
17 4.1

To become bad or fail, for example a relationship

means gradual weakening of strength, health, or quality rather than abrupt breakdown

Antonyms

1.0

To make something better

327 3.0

To make muscles, relationships, or groups stronger

Idioms

To feel so surprised or moved that you cannot find words to say

To be unable to say anything because you feel very surprised or moved

Phrasal Verbs

Always make the same thing happen

Not make people think something is good or special

To always make people laugh

Compounds

fail-safe
  • Specialized
11 5.0

A device or system that makes a machine go to a safe state if it breaks

fail-safe
  • Specialized
3 5.6

Designed to work safely if something goes wrong

How Strong

to strengthen
327 3.0
to recover
748 2.5
to fail
105 3.2
to collapse
579 3.9

Surface Forms

fail infinitive
failed past
failed past participle
failing present participle
fails third person singular

Etymology

Fail comes from an old word fallere meaning 'to let down' or 'be lacking'. So when someone's strength or health fails, it 'gives out' or becomes weaker over time.