foil

verbCommon GRE wordMore F words

to prevent someone's plan or effort from succeeding

In a sentence

Foil in a sentence

Here is an example sentence showing foil in a sentence.

An alert guard foiled the burglars before they could reach the vault.

Synonyms

Antonyms

Keep going

to make up something false in order to deceive

a deliberately false statement or invented account intended to mislead

a person who invents elaborate or untruthful stories

treating serious matters with inappropriate or flippant humor

achieved too easily and therefore superficial or shallow

to make an action or process easier or more achievable

a small, organized group within a larger one, especially one that is in opposition

inclined to form rival groups and provoke internal dissent

Common questions

Foil (verb) means to prevent someone's plan or effort from succeeding

Here is foil used in an example sentence: "An alert guard foiled the burglars before they could reach the vault."

Common synonyms for foil include thwart, frustrate, stymie.

Antonyms of foil include aid, abet, facilitate.

Foil is a GRE-level vocabulary word worth knowing for the Verbal section.

Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.