foil
word
Definition
A thin sheet of metal, usually aluminum, used for wrapping or cooking; also, to prevent something from succeeding; or in literature, a character who contrasts with another to highlight traits.
Usage & Nuances
"Foil" as a noun most commonly means aluminum foil for food or fencing swords. As a verb, it means to block or prevent success (often plans or crimes). In literature, "foil" refers to a contrasting character. Don't confuse noun and verb uses; context will help.
Example Sentences
The police managed to foil the robbery.
basic
In the story, the hero's best friend is his foil.
basic
Do we have any foil left for the barbecue?
natural
Quick thinking helped her foil their plans at the last minute.
natural
Please wrap the food in foil before putting it in the oven.
basic
In comedy shows, there's often a character who acts as a perfect foil to the main comedian.
natural