nounπShareA very thin sheet of metal."The baker used a thin foil sheet to line the baking pan. "materialChat with AIVocabulary GamePractice Reading
nounπShareThin aluminium/aluminum (or, formerly, tin) used for wrapping food."wrap the sandwich up in foil"materialfoodutensilitemChat with AIVocabulary GamePractice Reading
nounπShareA thin layer of metal put between a jewel and its setting to make it seem more brilliant."The jeweler added a thin foil of silver to the diamond, making it sparkle more brightly. "materialartappearanceChat with AIVocabulary GamePractice Reading
nounπShare(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."In the school play, the shy student was the foil to the outgoing, popular star. "literaturecharacterstoryentertainmentChat with AIVocabulary GamePractice Reading
nounπShareAnything that acts by contrast to emphasise the characteristics of something."The quiet, studious atmosphere of the library was a perfect foil to the noisy playground outside. "literaturecharacterstyleChat with AIVocabulary GamePractice Reading
nounπShareA very thin sword with a blunted (or foiled) tip"During fencing practice, the student carefully inspected the foil for any damage before beginning their bout. "weaponmilitarysportChat with AIVocabulary GamePractice Reading
nounπShareA thin, transparent plastic material on which marks are made and projected for the purposes of presentation. See transparency."The teacher used a foil to show the class a picture of the solar system. "materialtechnologystationerymediaeducationcommunicationChat with AIVocabulary GamePractice Reading
nounπShareA stylized flower or leaf."The wedding invitation featured a beautiful foil of a rose. "artstylearchitectureChat with AIVocabulary GamePractice Reading
nounπShareA hydrofoil."The racing boat lifted out of the water thanks to its foil. "nauticalvehiclesailingtechnologymachineChat with AIVocabulary GamePractice Reading
nounπShareAn aerofoil/airfoil."The windsurfer skillfully angled the foil beneath his board, lifting himself out of the water. "physicstechnicalmachinevehicleChat with AIVocabulary GamePractice Reading
verbπShareTo cover or wrap with foil."She foiled the sandwich in aluminum foil to keep it warm during the picnic. "materialutensilfoodChat with AIVocabulary GamePractice Reading
nounπShareFailure when on the point of attainment; defeat; frustration; miscarriage."Their plans for a successful garden had a bitter foil, as the unexpected frost ruined everything. "outcomeeventactionsituationachievementnegativeChat with AIVocabulary GamePractice Reading
nounπShareOne of the incorrect answers presented in a multiple-choice test."The foil to the correct answer on the science quiz was "photosynthesis". "educationlanguagewritingwordChat with AIVocabulary GamePractice Reading
verbπShareTo prevent (something) from being accomplished."I was foiled by my superior"actionachievementplanoutcomeChat with AIVocabulary GamePractice Reading
verbπShareTo prevent (someone) from accomplishing something."They foiled my plans."actionachievementplanChat with AIVocabulary GamePractice Reading
verbπShareTo blunt; to dull; to spoil."to foil the scent in hunting"actionnegativecharacterChat with AIVocabulary GamePractice Reading
verbπShareTo tread underfoot; to trample."The angry crowd threatened to foil the police barricade if they didn't release the protest leaders. "actionenvironmentChat with AIVocabulary GamePractice Reading
nounπShareThe track of an animal."We followed the deer's foil in the fresh snow, hoping to see where it went. "animalnatureenvironmentChat with AIVocabulary GamePractice Reading
verbπShareTo expand a product of two or more algebraic expressions, typically binomials."To prepare for the math test, Sarah needed to foil the expression (x + 3)(x - 2). "mathChat with AIVocabulary GamePractice Reading
verbπShareTo defile; to soil."The spilled coffee threatened to foil her brand new white blouse. "actionappearanceChat with AIVocabulary GamePractice Reading