frustrate, thwart, foil, baffle, balk mean to check or defeat another's plan or block achievement of a goal. frustrate implies making vain or ineffectual all efforts however vigorous or persistent.

FOIL definition: 1. a very thin sheet of metal, especially used to wrap food in to keep it fresh: 2. a piece of a…. Learn more.

Look up foil in Wiktionary, the free dictionary.

Foil definition: to prevent the success of; frustrate; balk.. See examples of FOIL used in a sentence.

One that stands in contrast to and emphasizes the distinctive characteristics of another: "I am resolved my husband shall not be a rival, but a foil to me" (Charlotte Brontë).

Oct 26, 2025 · Aluminum foil has a shiny and a dull side due to the rolling process. Two sheets pass through at once, so only one side touches the roller and becomes shiny.

Reynolds Wrap Everyday Strength Aluminum Foil Roll, Freezer Safe and Grill Safe, Great for Foil Packets and Home Cooking, 12 Inches Wide, 200 Total Sq. Ft. Pack of 1 30K+ bought in past …

6 days ago · foil (countable and uncountable, plural foils) A very thin sheet of metal. (chiefly uncountable) Thin aluminium / aluminum (or, formerly, tin) used for wrapping food. A thin layer …

If you refer to one thing or person as a foil for another, you approve of the fact that they contrast with each other and go well together, often in a way that makes the second thing or person …

Definition of foil noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.