foil
noun
- 1
A very thin sheet of metal.
- 2
Thin aluminium/aluminum (or, formerly, tin) used for wrapping food.
“wrap the sandwich up in foil”
- 3
A thin layer of metal put between a jewel and its setting to make it seem more brilliant.
- 4
(authorship) In literature, theatre/theater, etc., a character who helps emphasize the traits of the main character and who usually acts as an opponent or antagonist.
- 5
Anything that acts by contrast to emphasise the characteristics of something.
- 6
A very thin sword with a blunted (or foiled) tip
- 7
A thin, transparent plastic material on which marks are made and projected for the purposes of presentation. See transparency.
- 8
A stylized flower or leaf.
- 9
A hydrofoil.
- 10
An aerofoil/airfoil.
verb
- 1
To cover or wrap with foil.
noun
- 1
Failure when on the point of attainment; defeat; frustration; miscarriage.
- 2
One of the incorrect answers presented in a multiple-choice test.
verb
- 1
To prevent (something) from being accomplished.
“I was foiled by my superior”
- 2
To prevent (someone) from accomplishing something.
“They foiled my plans.”
- 3
To blunt; to dull; to spoil.
“to foil the scent in hunting”
- 4
To tread underfoot; to trample.
Synonyms
noun
- 1
The track of an animal.
Synonyms
verb
- 1
To expand a product of two or more algebraic expressions, typically binomials.
verb
- 1
To defile; to soil.
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