DictionaryfoilContrasting character
noun

foil

A character whose contrast with another highlights that other's qualities.

The cautious sidekick serves as a foil to the reckless hero.

Etymology

The older word names a leaf or thin sheet. A metal foil behind a gem made it stand out, supplying the figurative idea of a contrast that highlights another character.

More examples

  • The detective's impatient partner is a foil for her calm, methodical approach.
  • The two sisters act as foils, revealing each other's strengths and weaknesses.
  • By making the villain generous, the author creates an unexpected foil to the selfish hero.

Forms

foil · foils

Similar words

opposite
A sharply different character, not necessarily used to reveal qualities.
counterpart
A character with a corresponding role, not necessarily contrasting qualities.