Foil

noun

fɔɪl

Noun

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”
Similar:Hydrofoil
Type of:Device
anything that serves by contrast to call attention to another thing's good qualities
“pretty girls like plain friends as foils”
Similar:Enhancer
Type of:Attention
a piece of thin and flexible sheet metal
“the photographic film was wrapped in foil”
picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector
Similar:Transparency
Type of:IconImageIkon
a light slender flexible sword tipped by a button

hinder or prevent (the efforts, plans, or desires) of
“foil your opponent”
Similar:BaffleBilkCrossFrustrateQueer
Type of:PrecludePreventForbid
cover or back with foil
“foil mirrors”
Type of:Cover
enhance by contrast
“In this picture, the figures are foiled against the background”
Type of:ContrastCounterpoint