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1

foil

play
verb \ˈfȯi(-ə)l\

Definition of foil

  1. transitive verb
  2. 1 obsolete :  trample

  3. 2 a :  to prevent from attaining an end :  defeat <always able to foil her enemies> b :  to bring to naught :  thwart <foiled the plot>



Origin of foil

Middle English, alteration of fullen to full cloth, from Anglo-French foller — more at full


First Known Use: 14th century

Synonym Discussion of foil

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 <frustrated attempts at government reform>. thwart suggests frustration or checking by crossing or opposing <the army thwarted his attempt at a coup>. foil implies checking or defeating so as to discourage further effort <foiled by her parents, he stopped trying to see her>. baffle implies frustration by confusing or puzzling <baffled by the maze of rules and regulations>. balk suggests the interposing of obstacles or hindrances <officials felt that legal restrictions had balked their efforts to control crime>.

2

foil

noun

Definition of foil

  1. 1 archaic :  defeat

  2. 2 archaic :  the track or trail of an animal



15th Century

First Known Use of foil

15th century

Rhymes with foil


3

foil

noun

Definition of foil

  1. 1 :  very thin sheet metal <aluminum foil>

  2. 2 :  a thin piece of material (as metal) put under an inferior or paste stone to add color or brilliance

  3. 3 :  someone or something that serves as a contrast to another <acted as a foil for a comedian>

  4. 4 a :  an indentation between cusps in Gothic tracery b :  one of several arcs that enclose a complex figure

  5. 5 :  hydrofoil 1



Origin of foil

Middle English, leaf, from Anglo-French fuille, foille (from Latin folia, plural of folium) & fuil, from Latin folium — more at blade


First Known Use: 14th century

Other Metals and Metallurgy Terms


4

foil

verb

Definition of foil

  1. transitive verb
  2. 1 :  to back or cover with foil

  3. 2 :  to enhance by contrast



1611

First Known Use of foil

1611


5

foil

noun

Definition of foil

  1. 1 :  a light fencing sword having a usually circular guard and a flexible blade of rectangular section tapering to a blunted point — compare épée, saber

  2. 2 :  the art or sport of fencing with the foil —often used in plural



Origin of foil

origin unknown


First Known Use: 1594

Other Combat Sports Terms



FOIL Defined for Kids

1

foil

play
verb \ˈfȯil\

Definition of foil for Students

foiledfoiling

  1. :  to prevent from achieving a goal <Police foiled the bank robbery.>




2

foil

play
noun

Definition of foil for Students

  1. :  a very thin sheet of metal <aluminum foil>




3

foil

play
noun

Definition of foil for Students

  1. :  a fencing sword having a light flexible blade with a blunt point




Medical Dictionary

foil

play
noun \ˈfȯil\

Medical Definition of foil

  1. :  very thin sheet metal (as of gold or platinum) used especially in filling teeth





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