foil

Very thin aluminium used to wrap or cover food.

• Cover the dish with foil.
• I wrapped my sandwich in foil.
• Bake the fish in a foil packet.

Similar words: aluminium foil, aluminum foil

Common phrases: aluminium foil, wrap in foil, foil packet

Metal made into a very thin sheet.

• The card is covered with gold foil.
• Copper foil carries electricity in the device.
• They pressed a thin sheet of silver foil onto the surface.

Common phrases: gold foil, copper foil, metal foil

A thin, light sword used in fencing, a sport in which two people fight with swords.

• She held her foil firmly.
• Both fencers raised their foils.
• The tip of his foil touched his opponent’s jacket.

Common phrases: fencing foil, a light foil, a blunt foil, practice foil

If you stop someone from succeeding in what they are trying to do, you defeat their efforts.

• The guard foiled the thief.
• Police foiled an attempt to steal the painting.
• Their escape was foiled by a locked gate.

Similar words: thwart, stop

Common phrases: foil a robber, foil someone’s attempt, foil a plan, foil an attempt