foil

Meanings

• a piece of thin and flexible sheet metal
  • "the photographic film was wrapped in foil"
• anything that serves by contrast to call attention to another thing's good qualities
  • "pretty girls like plain friends as foils"
• 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
  • "the fins of a fish act as hydrofoils"
• picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector
• a light slender flexible sword tipped by a button
• enhance by contrast
  • "In this picture, the figures are foiled against the background"
• hinder or prevent (the efforts, plans, or desires) of
  • "foil your opponent"
• cover or back with foil
  • "foil mirrors"

Synonyms

baffle, bilk, cross, enhancer, frustrate, hydrofoil, queer, scotch, spoil, thwart, transparency