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.

Words nearby foil

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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