Dictionary

1foil

verb \ˈfi(-ə)l\

Definition of FOIL

transitive verb
1
obsolete :  trample
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>.

2foil

noun

Definition of FOIL

1
archaic :  defeat
2
archaic :  the track or trail of an animal

First Known Use of FOIL

15th century

Rhymes with FOIL

3foil

noun

Definition of FOIL

1
:  very thin sheet metal <aluminum foil>
2
:  a thin piece of material (as metal) put under an inferior or paste stone to add color or brilliance
3
:  someone or something that serves as a contrast to another <acted as a foil for a comedian>
4
a :  an indentation between cusps in Gothic tracery
b :  one of several arcs that enclose a complex figure
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

assay, bloom, bullion, ductile, ingot, malleable, patina, plate, temper, tensile

4foil

verb

Definition of FOIL

transitive verb
1
:  to back or cover with foil
2
:  to enhance by contrast

First Known Use of FOIL

1611

5foil

noun

Definition of FOIL

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
:  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

riposte, welter
FOIL[5] Defined for Kids

1foil

verb \ˈfil\
foiledfoil·ing

Definition of FOIL for Kids

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

2foil

noun

Definition of FOIL for Kids

:  a very thin sheet of metal <aluminum foil>

3foil

noun

Definition of FOIL for Kids

:  a fencing sword having a light flexible blade with a blunt point
Medical Dictionary

foil

noun \ˈfil\

Medical Definition of FOIL

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

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Next Word in the Dictionary: foiledPrevious Word in the Dictionary: foie grasAll Words Near: foil
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