Definition of foil

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  • foil is a valid Scrabble US word with a point value of 7
  • foil is a valid Scrabble UK word with a point value of 7
  • foil is a valid Words with friends word with a point value of 8

Definition of foil

  • a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through (noun)

    Examples

    1. the fins of a fish act as hydrofoils

    Synonyms

    1. hydrofoil
  • anything that serves by contrast to call attention to another thing's good qualities (noun)

    Examples

    1. pretty girls like plain friends as foils

    Synonyms

    1. enhancer
  • hinder or prevent (the efforts, plans, or desires) of (verb)

    Examples

    1. foil your opponent

    Synonyms

    1. baffle
    2. bilk
    3. cross
    4. frustrate
    5. queer
    6. scotch
    7. spoil
    8. thwart
  • picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector (noun)

    Synonyms

    1. transparency
  • a light slender flexible sword tipped by a button (noun)
  • a piece of thin and flexible sheet metal (noun)

    Examples

    1. the photographic film was wrapped in foil
  • cover or back with foil (verb)

    Examples

    1. foil mirrors
  • enhance by contrast (verb)

    Examples

    1. In this picture, the figures are foiled against the background

See definition of foil in Merriam Webster