Definitions
1.NounA very thin sheet of metal.
2.NounA very thin sheet of plastic.
3.NounThin aluminium/aluminum (or, formerly, tin) used for wrapping food."wrap the sandwich up in foil"
4.NounA thin layer of metal put between a jewel and its setting to make it seem more brilliant.
5.NounIn literature, theatre/theater, etc., a character who helps emphasize the traits of the main character and who usually acts as an opponent or antagonist, but can also serve as the sidekick of the protagonist.
6.NounAnything that acts by contrast to emphasise the characteristics of something.
7.NounA very thin sword with a blunted (or foiled) tip.
8.NounA thin, transparent plastic material on which marks are made and projected for the purposes of presentation. See transparency.
9.NounA premium trading card with a glossy finish.
10.NounA stylized flower or leaf.
11.NounClipping of hydrofoil.
12.NounClipping of aerofoil/airfoil.
13.VerbTo cover or wrap with foil.
14.VerbClipping of hydrofoil.
15.VerbTo prevent (something) from being accomplished."They foiled my plans."
16.VerbTo prevent (someone) from accomplishing something."I was foiled by my superior"
17.VerbTo blunt; to dull; to spoil.
18.VerbTo tread underfoot; to trample.
19.NounFailure when on the point of attainment; defeat; frustration; miscarriage.
20.NounOne of the incorrect answers presented in a multiple-choice test.
21.NounThe track of an animal.
22.VerbTo expand a product of two or more algebraic expressions, typically binomials.
23.VerbTo defile; to soil.
24.NounA small arc in the tracery of a window, etc.