Skip to main content
to foil

to foil

35 5.5
To stop a plan or action from working
  • verb
  • /fɔɪl/
: frustrar
  • Her clever strategy helped to foil his attempts to sabotage the project.
  • foil a plot
  • foil plans
  • foil an attempt

I felt that the work mocked me, foiled me, thwarted me.

Autoplay Next

Examples

  • Thus their aim of returning to the old status quo was foiled and Sparta now slumped further into decline.

  • A group of ninjas foiled an attempted counterfeiting operation.

  • Sometimes, despite our best efforts, changing circumstances can foil future plans.

    Academic text (2017)
  • I get away and you foil my next plan in an even more heroic way.

  • Such an approach might have helped foil the 9/11 attack.

    Academic text (2008)
  • These men waited for them to make their move then foiled a crime.

  • However, her arrest was foiled by the intervention of some of the town's "leading citizens."

    Academic text (2004)
  • Did you know that 85% of all kidnappings are foiled by the cops?

  • Over the course of 10 years, American authorities foiled more than two dozen al-Qaeda plots.

    Academic text (2011)
  • Martin Hortensius had tried to observe the transit, but was foiled by bad weather.

    Academic text (2006)

Synonyms

to spoil
vsto foil
209 2.8

To make something less good or enjoyable

stops success directly rather than only reducing quality or value
to cross
vsto foil
146 5.9

To stop someone's plans or make them fail

acts to block final success not just cause problems
to thwart
vsto foil
77 7.4

To stop someone from doing what they want

blocks achieving intended outcome rather than mere annoyance
to frustrate
vsto foil
19 3.6

Stop someone from doing something they planned to do

works to stop success itself rather than only create delays
to baffle
vsto foil
3 6.1

To stop someone's plans or efforts from succeeding

prevents success by direct blocking rather than mere confusion
to scotch
vsto foil
2 8.1

To stop a plan or action from happening

stops success itself rather than only delaying events
to bilk
vsto foil
  • Archaic
1 9.9

Stop someone's plans or efforts from succeeding

prevents success generally, not only by unfair methods
1 5.6

To stop someone on purpose from doing what they planned

aims at stopping success broadly, not only targeted plans
to derail a plan
vsto foil
1 5.2

Cause a plan to fail or stop moving forward

hinders achieving goals overall, not only breaking progress
to counterwork
vsto foil
1 8.2

Act against something to stop or slow it

works to stop success broadly rather than simply oppose effects

Antonyms

to facilitate
  • Formal
168 4.9

To make a task or process easier and help it happen

38 1.8

Help given to someone to make a task easier

Compounds

19 1.1

A thin sheet of metal used to wrap or cover food for cooking and storage

13 1.0

A thin sheet of metal used to wrap or cover food

gold foil
  • Specialized
2 3.9

Very thin sheets of gold used to decorate things like frames and art

1 9.9

A small water plant with thin leaves that look like feathers

How Thoroughly

defeat
309 2.5
to thwart
77 7.4
to foil
35 5.5
to hinder
75 3.6
to disrupt
244 4.4

Surface Forms

foil infinitive
foiled past
foiled past participle
foiling present participle
foils third person singular

Etymology

Foil meaning 'to prevent someone's plans' likely grew from an old sense of 'defeat', and a helpful image is a fencing foil used to block an attack; that's why to foil a plan is to stop it from succeeding.