foil

1
[ foil ]
/ fɔɪl /

verb (used with object)

to prevent the success of; frustrate; balk: Loyal troops foiled his attempt to overthrow the government.
to keep (a person) from succeeding in an enterprise, plan, etc.

noun

Archaic. a defeat; check; repulse.

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weal

Origin of foil

1
1250–1300; Middle English foilen, < Anglo-French foller, Old French fuler to trample, full (cloth). See full2

SYNONYMS FOR foil

OTHER WORDS FROM foil

foil·a·ble, adjectiveun·foil·a·ble, adjective

Words nearby foil

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for foilable (1 of 3)

foil1
/ (fɔɪl) /

verb (tr)

to baffle or frustrate (a person, attempt, etc)
hunting (of hounds, hunters, etc) to obliterate the scent left by a hunted animal or (of a hunted animal) to run back over its own trail
archaic to repulse or defeat (an attack or assailant)

noun

hunting any scent that obscures the trail left by a hunted animal
archaic a setback or defeat

Derived forms of foil

foilable, adjective

Word Origin for foil

C13 foilen to trample, from Old French fouler, from Old French fuler tread down, full ²

British Dictionary definitions for foilable (2 of 3)

foil2
/ (fɔɪl) /

noun

verb (tr)

to back or cover with foil
Also: foliate architect to ornament (windows) with foils

Word Origin for foil

C14: from Old French foille, from Latin folia leaves, plural of folium

British Dictionary definitions for foilable (3 of 3)

foil3
/ (fɔɪl) /

noun

a light slender flexible sword tipped by a button and usually having a bell-shaped guard

Word Origin for foil

C16: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012